TY  - BOOK
AU  - Beckmann,Heinz
TI  - Geological prospecting of petroleum
SN  - 3432021984
PY  - 1976///
CY  - Stuttgart
PB  - Ferdinand Enke
KW  - Petroleum
KW  - Geology
KW  - Prospecting
KW  - Oil well logging
N1  - Bibliography: p.167-174
ER  -