TY  - BOOK
AU  - Coleman,Hywel
ED  - Heinemann Educational Books
TI  - Petroleum: upstream 
T2  - Heinemann science and technical readers
SN  - 0435290010
U1  - 553.282 23
PY  - 1980///].
CY  - London: 
PB  - Heinemann Educational Books, 
KW  - Oil (petroleum)
ER  -