6DREYBRODT W, ROMANOV D, GABROVSEK F. Karstification below dam sites: a model of increasing leakage from reservoirs[J].Environmental Geology, 2002, 42: 518-524.
7STEVANOVIC Z, DRAGISIC V. An example of identifying karst groundwater flow[J]. Environmental Geology, 1998, 35(4): 241-244.
8DREYBRODT W. Dynamics of karstification: a model applied to hydraulic structures in karst terranes[J]. Applied Hydrogeology, 1992,(3):20-32.