共 8 条
[7]
岩溶地面塌陷的成因与防治[M]. 中国铁道出版社 , 陈国亮编著, 1994
[8]
Study on the characteristics and mechanism ofkarst collapses in Zaozhuang city .2 Wan Z B. China Univer-sity of Geosciences . 2006