TY  - BOOK
CN  - TP691
CN  - TP691
CY  - Tulsa, Okla. :
DA  - c1973.
ID  - 18394
KW  - Petroleum
KW  - Oil fields.
N1  - Cover title: Evaluations of world's important crudes.
N1  - "Reprinted from The Oil & Gas Journal."
PB  - Petroleum Pub. Co.,
PP  - Tulsa, Okla. :
PY  - c1973.
T1  - Evaluation of world's important crudes.
TI  - Evaluation of world's important crudes.
ER  -