TY  - BOOK
AU  - Sah, S.L.  .
TI  - Encyclopaedia of petroleum science and engineering / 
SN  - 81-7835-102-1
U1  - F:555(A)k 
PY  - 2003///
CY  - Delhi : 
PB  - Kalpaz Publications , 
KW  - Petroleum
ER  -