TY  - BOOK
AU  - Cheng Yuanfang, Yan Chuanliang, Han Zhongying 
TI  - Foundations of rock mechanics in oil and gas engineering
SN  - 9789819914173
AV  - TN 870.56 .C44/ 
CY  - China
KW  - - Rock Mechanics  - Petroleum Geology
ER  -