..............page:38-39,41
Simulation of Karstic Groundwater Flow in Linyi City
guo shi-chang1; yao chun-mei1; zhang le-jin2; li jing-bo3; bian jia-sheng3(1.shandong monitoring center of geological environment; shandong jinan 250014; china; 2.jinan university; shandong jinan 250022; china; 3.linyi bureau of land and resources; shandong linyi 276000; china)
..............page:21-24
..............page:47-48,50
..............page:25-28,32