TY  - BOOK
AU  - LON,D.C
AU  - ROSS,R.J.P.
AU  - MORTIMER,GLENN W.
TI  - OIL AND GAS / 
U1  - 553.28 
PY  - 1990///
CY  - [S.N] : 
PB  - WILEY EASTERN LIMITED ، 
KW  - PETROLEUM - INDUSTRY
KW  - OIL - GAS LEASES
KW  - PETROLEUM
KW  - GAS - NATURAL
ER  -