Philip J. CARPENTER and Shawkat AHMEDDepartment of Geology and Environmental Geosciences,312 Davis Hall,Northern Illinois University,DeKalb,Illinois,USA
Kaijun JIANG,Hiroyasu FURUKAWA,Yuji ONOYAMA,Underground Dam Research Group,Showa-chika Kogyo Inc.,Fukuoka,Japan 815-0082and Testuro ESAKI Institute of Environmental Systems,Kyushu University,Fukuoka,Japan 812-8581
V. T. TAM,T.M.N. VU Research Institute of Geology and Mineral Resources,Ministry of Industry,Vietnamand O. BATELAANDepartment of Hydrology and Hydraulic Engineering Free University Brussels,Belgium
V.V. TOLMACHEVState venture "Antikarst and Shore Protection",Mayakovsky Str. 33,Dzerzhinsk,Nizhny Novgorod Region,606023,Russiaand O.B. NESHCHETKINScientific and Production Centre "KARST",Klukvina Str. 3-11,Dzerzhinsk,Nizhny Novgorod Region,606010,Russia
S. SEBELA,T. SLABE,J. KOGOVSEK Karst Research Institute ZRC SAZU,Titov trg 2,6230 Postojna,SloveniaLIU HongNature & Culture Conservation Centre,China Exploration and Research Society Yunnan Institute of Geography,20 Xuefu Road,650223 Kunming,P.R. Chinaand P. PRUNERInstitute of Geology,Academy of Sciences of the Czech Republic Rozvojova 135,16502 Praha,Czech Republic
ZHU Xueyu Department of Earth Sciences,Nanjing University,22 Hankou Road,Nanjing 210093QIAN Xiaoxing Faculty of Civil Engineering,Hohai University,Nanjing 210098and LIU Jianli Institute of Soil Science,Chinese Academy of Sciences,Nanjing 210008
CHEN Honghan China University of Geosciences,Beijing 100083,ChinaZOU Shengzhang,ZHU Yuanfeng Institue of Karst Geology,CAGS,Guilin 541004,Chinaand CHEN Congxi Department of Geology,Peking University,Beijing 100871,China
HE Keqiang,Department of Civil Engineering,Qingdao Institute of Architecture & Engineering,Qingdao 266033,Shandong,ChinaLIU ChangliInstitute of Hydrogeology and Engineering Geology,Chinese Academy of Geological Sciences,Zhengding 050803,Hebei,Chinaand WANG Sijing Institute of Geology,Chinese Academy of Sciences,Beijing 100029,China
