TY  - GEN
AU  - Samuel,G.Robello
AU  - Liu, Xiushan.
TI  - Advanced drilling engineering: principles and designs 
SN  - 9781933762340 (hbk.)
U1  - 622.3382 
PY  - 2009///
CY  - Houstan
PB  - Gulf Publishing
KW  - Drilling engineering
N1  - Includes references & index
ER  -