TY  - BOOK
AU  - Bradley,Paul G.
TI  - The economics of crude petroleum production
AV  - HD9560.4 .B7
U1  - 338.2/3 
PY  - 1967///
CY  - Amsterdam
PB  - North-Holland Pub. Co.
KW  - Petroleum industry and trade
KW  - Costs
N1  - Bibliography: p. [144]-147
ER  -