TY  - BOOK
AU  - Beckmann,Heinz,1918-
TI  - Geological prospecting of petroleum
SN  - 3432021976
PY  - 1975///
CY  - London
PB  - Pitman Pub.
KW  - Petroleum
KW  - Geology
KW  - Prospecting
KW  - Oil well logging
N1  - Includes index
ER  -