Andreo, B., Ravbar, N. & Vias, J.M., 2009. Source vulnerability mapping in carbonate (karst) aquifers by extension of the COP method: application to pilot sites. Hydrogeology Journal, 17, 749-758.
Archie, G.E., 1942. The electrical resistivity log as an aid in determining some reservoir characteristics. Petroleum Transactions of AIME, 146, 54-62.
Benson, R.C., Yuhr, L. & Kaufmann, R.D., 2003. Assessing the risk of karst subsidence and collapse. American Society Civil Engineers Geotechnical Special Publication, 122, 31-39.
Bosch, F.P. & Müller, I., 2005. Improved karst exploration by VLF-EM gradient survey: comparison with other geophysical methods. Near Surface Geophysics, 3, 299-310.
Caramanna, G., Ciotoli, G. & Nisio, S., 2008. A review of natural sinkhole phenomena in Italian plain areas. Natural Hazards, 45, 145-172.
Chalikakis, K., 2006. Application de méthodes géophysiques pour la reconnaissance et la protection des ressources en eau dans les milieux karstiques [Geophysical methods applied to water exploration and protection in karst environment]. PhD Thesis, Université Pierre et Marie Curie-Paris 6, France, 217 p.
Chalikakis, K., Plagnes, V., Guérin, R., Valois, R. & Bosch, F.P., 2011. Contribution of geophysical methods for karst system exploration. An overview. Hydrogeology Journal, 19, 1169-1180.
Christiansen, A.V. & Auken, E., 2012. A global measure for depth of investigation. Geophysics, 77 (4), WB171-WB177.
Cooper, A.H., 2008. The GIS approach to evaporite-karst geohazards in Great Britain. Environmental Geology, 53, 981-992.
Davis, A.D., Long, A.J. & Wireman, M., 2002. KARSTIC: a sensitive method for carbonate aquifers in karst terrain. Environmental Geology, 42, 65-72.
Deceuster, J., Delgranche, J. & Kaufmann, O., 2006. 2-D cross-borehole resistivity tomographies below foundations as a tool to design proper remedial actions in covered karst. Journal of Applied Geophysics, 60, 68-86.
Delvigne, J.E., 1998. Atlas of micromorphology of mineral alteration and weathering. The Canadian Mineralogist, Special Publication, ORSTOM Editions, France, 494 p.
Dörfliger, N., Jeannin, P.Y. & Zwahlen, F., 1999. Water vulnerability assessment in karst environments: a new method of defining protection areas using a multi-attribute approach and GIS tools (EPIK method). Environmental Geology, 39(2), 165-176.
Dubois, C., Quinif, Y., Baele, J.M., Dagrain, F., Deceuster, J. & Kaufmann, O., 2014. Mineralogical and petrophysical properties evolution of a weathered limestone in southern Belgium. Geologica Belgica, 17, 1-8.
Duffaut P. & Homand F., 2000. Manuel de mécanique des roches. Tome 1: fondements. Presse des Mines, Paris, France, 280 p.
Edmonds, C.N., Green, C.P. & Higginbottom, I.E., 1987. Subsidence hazard prediction for limestone terrains. Bulletin Association Engineering Geologists, 3, 15-25.
Friedel, S., 2003. Resolution, stability and efficiency of resistivity tomography estimated from a generalized inverse approach. Geophysical Journal International, 153, 305-316.
Galve, J.P., Gutiérrez, F., Remondo, J., Bonachea, J., Lucha, P. & Cendrero, A., 2009. Evaluating and comparing methods of sinkhole susceptibility mapping in the Ebro Valley evaporite karst (NE Spain). Geomorphology, 111, 160-172.
Goldscheider, N., 2005. Karst groundwater vulnerability mapping: application of a new method in the Swabian Alb, Germany. Hydrogeology Journal, 13, 555-564.
He, L., Feng, M., He, Z. & Wang, X., 2006. Application of EM methods for the investigation of Qiyueshan tunnel, China. J Environ Eng Geophys, 11, 151-156.
Hennebert, M. & Doremus, P., 1997. Notice explicative de la Carte Gégologique de Wallonie (1/25.000) - Planche 37/5-6 Hertain-Tournai. Ministère de la Région Wallonne, 63 p.
Hennebert, M., 1998. L'anticlinal faillé du Mélantois-Tournaisis fait partie d'une « structure en fleur positive " tardi-varisque. Ann. Soc. Géol. du Nord, 6 (2), 65-78.
Hilbich, C., Marescot, L., Hauck, C., Loke, M.H. & Mäusbacher, R., 2009. Applicability of electrical resistivity tomography monitoring to coarse blocky and ice-rich permafrost landforms. Permafrost and Periglacial Processes, 20, 269-284.
Kaufmann, O. & Quinif, Y., 1999. Cover-collapse sinkholes in the "Tournaisis" area, southern Belgium. Engineering Geology, 52, 15-22.
Kaufmann, O. & Quinif, Y., 2001. An application of cone penetration tests and combined array 2D electrical resistivity tomography to delineate cover-collapse sinkholes prone areas. In: Beck, B.F. & Herring, J.G. (eds), Geotechnical and Environmental Applications of Karst Geology and Hydrology, 359-364. Balkema: Lisse.
Kaufmann, O. & Quinif, Y., 2002. Geohazard map of cover-collapse sinkholes in the Tournaisis area, southern Belgium. Engineering Geology, 65, 117-124.
Kaufmann, O. & Tshikala, F., 2011. Parallelized 2D fresnel volumes traveltime tomography. In Marschallinger, R. & Zobl, F. IAMG 2011 Salzburg proceedings, 594-601.
Kaufmann, O., 2000. Les effondrements karstiques du Tournaisis: genèse, évolution, localisation, prévention. Speleochronos, Hors-Série, 350 p.
Kaufmann, O., Bini, A., Tognini, P. & Quinif, Y., 1999. Etude microscopique d'une altérite de type fantôme de roche. Karst 99 European Conference, France, 129-133.
Kaufmann, O., Deceuster, J. & Quinif, Y., 2012. An electrical resistivity imaging-based strategy to enable site-scaled planning over covered palaeokarst features in the Tournaisis area (Belgium). Engineering Geology, 133-134, 49-65.
Kaufmann, O., Delgranche, J. & Deceuster, J., 2006. Geophysics for physical planning over covered karstic areas in the Walloon region of Belgium. SAGEEP 2006 Extended Abstracts, Environmental and Engineering Geophysical Society, Colorado (USA), 9 p.
Kaufmann, O., Lizin, P., Martin, T. & Deceuster, J., 2009. The role of geophysical investigations in physical planning over covered karstic areas in southern Belgium. Proceedings of Near Surface 2009, European Association of Geoscientists & Engineers, Dublin (Ireland), 4 p.
Kavouri, K., Plagnes, V., Tremoulet, J., Dörfliger, N., Rejiba, F. & Marchet, P., 2011. PaPRIKa: a method for estimating karst resource and source vulnerability-application to the Ouysse karst system (southwest France). Hydrogeology Journal, 19 (2), 339-353.
Lavergne, M., 1986. Méthodes sismiques. Editions Technip, Paris, 207 p.
Leontarakis, K. & Apostolopoulos, G.V., 2013. Model Stacking (MOST) technique applied in cross-hole ERT field data for the detection of Thessaloniki ancient walls' depth. Journal of Applied Geophysics, 93, 101-113.
Loke, M.H., 2011. Tutorial: 2-D and 3-D electrical imaging surveys. Revision 30th December 2011. 150 p., http://www.geoelectrical.com
Malik, P. & Svasta, J., 1999. REKS: an alternative method of Karst groundwater vulnerability estimation. Hydrogeology and Land Use Management, Proceeding of the XXIX Congress of the International Association of Hydrogeologists, Bratislava, Slovakia, 79-85.
Mansy, J.L., Everaerts, M. & De Vos, W., 1999. Structural analysis of the adjacent Acadian and Variscan fold belts in Belgium and northern France from geophysical and geological evidence. Tectonophysics, 309, 99-116.
Marescot, L., Loke, M.H., Chapellier, D., Delaloye, R., Lambiel, C. & Reynard, E., 2003. Assessing reliability of 2D resistivity imaging in mountain permafrost studies using the Depth Of Investigation index method. Near Surface Geophysics, 1, 57-67.
Mari, J.-L. & Mendes, M., 2012. High resolution 3D near surface imaging of fracture corridors and cavities by combining Plus-Minus method and refraction tomography. Near Surface Geophysics, 10 (3), 185-195.
Michiels, T., Schroeder, C. & Monjoie, A., 1985. Rapport de prospection géophysique à Gaurain-Ramecroix, Rieu de Warchin. Université de Liège, Faculté des Sciences Appliquées, Laboratoires de Géologie de l'Ingénieur et d'Hydrogéologie, Unpublished, 11 p.
Nguyen, F., Kemna, A., Antonsson, A., Engesgaard, P., Kuras, O., Ogilvy, R., Gisbert, J., Jorreto, S. & Pulido-Bosch, A., 2009. Characterization of seawater intrusion using 2D electrical imaging. Near Surface Geophysics, 7, 377-390.
Oldenborger, G.A. & Routh, P.S., 2009. The point-spread function measure of resolution for the 3-D electrical resistivity experiment. Geophysical Journal International, 176, 405-414.
Oldenburg, D.W. & Li, Y., 1999. Estimating depth of investigation in dc resistivity and IP surveys. Geophysics, 64, 403-416.
Pételet-Giraud, E., Dörfliger, N. & Crochet, P., 2000. RISKE: méthode d'évaluation multicritère de la vulnérabilité des aquifères karstiques. Application aux systèmes des Fontanilles et Cent-Fonts (Hérault, Sud de la France). Hydrogéologie, 4, 71-88.
Quinif, Y. & Rorive, A., 1990. Nouvelles données sur le karst du Tournaisis. Bull. Soc. Belge de Géol., 99 (3-4), 361-372.
Quinif, Y., 2010. Fantômes de roche et fantômisation - Essai sur un nouveau paradigme en karstogenèse. Karstologia Mémoires, 18, 196 p.
Quinif, Y., Bouko, Ph., Cantallina, R., Drumel, P. & Rorive, A., 1985. Découverte d'un réseau karstique superficiel à Gaurain-Ramecroix (Hainaut occidental, Belgique) à la faveur de nouveaux puits naturels. Bull. Soc. Belge de Géol., 94 (1), 45-50.
Robert, T., Caterina, D., Deceuster, J., Kaufmann, O. & Nguyen, F., 2012. A salt tracer test monitored with surface ERT to detect preferential flow and transport paths in fractured/karstified limestones. Geophysics, 77 (2), B55-B67.
Robert, T., Dassargues, A., Brouyère, S., Kaufmann, O., Hallet, V. & Nguyen, F., 2011. Assessing the contribution of electrical resistivity tomography (ERT) and self-potential (SP) methods for a water well drilling program in fractured/karstified limestones. Journal of Applied Geophysics, 75 (1), 42-53.
Sowers, G.F., 1996. Building on sinkholes: design and construction of foundations in karst terrain. ASCE Press, 202 p.
Thomas, B. & Roth, M.S., 1999. Evaluation of site characterization methods for sinkholes in Pennsylvania and New Jersey. Engineering Geology, 52, 147-152.
Valois, R., Bermejo, L., Guérin, R., Hinguant, S., Pigeaud, R. & Rodet, J., 2010. Karstic morphologies identified with geophysics around Saulges caves (Mayenne, France). Archaeological Prospection, 17, 151-160.
Valois, R., Camerlynck, C., Dhemaied, A., Guérin, R., Hovhannissian, G., Plagnes, V., Rejiba, F. & Robain, H., 2011. Assessment of doline geometry using geophysics on the Quercy plateau karst (South France). Earth Surface Processes and Landforms, 36, 1183-1192.
Van Dijck, F. & Michel, R., 2006. Les risques naturels en Région Wallonne. Karst and Physical Planning International Colloquium, Namur, Belgium, 93-109.
Van Rantergem, G., Bouckaert, P. & Quinif, Y., 1993. Une nouvelle grotte à Gaurain-Ramecroix. Bull. Soc. Belge Géol., 102 (3-4), 395-399.
Vergari, A., Quinif, Y. & Charlet, J.M., 1995. Paleokarstic features in the Belgian carboniferous limestones - implications to engineering. Karst geohazards: engineering and environmental problems in karst terrane. Proc. 5th conference, Gatlinburg 1995, 481-486.
Waltham, T., Bell, F. & Culshaw, M., 2005. Sinkholes and subsidence - Karst and Cavernous Rocks in engineering and Construction. Proxis, Chichester U.K., 382 p.
Wyllie, M.R., Gregory, A.R. & Gardner, G.H.F., 1956. Elastic wave velocities in heterogeneous and porous media. Geophysics, 21, 41-70.
Wyllie, M.R., Gregory, A.R. & Gardner, G.H.F., 1958. An experimental investigation of factors affecting elastic wave velocities in porous media. Geophysics, 23, 459-493.
Zhou W., Beck B.F. & Adams A.L., 2002. Effective electrode array in mapping karst hazards in electrical resistivity tomography. Environmental Geology, 42, 922-928.
