TY  - BOOK
AU  - Valko,  Peter
TI  - Hydraulic fracture mechanics / 
SN  - 9780471956648
U1  - 622.3381 
PY  - 2001///
CY  - Chichester : 
PB  - John Wiley and Sons., 
KW  - Oil wells
N1  - Include Index
ER  -