TY  - BOOK
AU  - YAKOV A GELFGAT; MIKHAIL Y GELFGAT; YURI S LOPATIN
TI  - ADVANCED DRILLING SOLUTION : LESSONS FROM THE ESU - VOLUME 2
SN  - 9780878148912
U1  - GEL 
PB  - PENN WELL.
KW  - GENERAL
ER  -