TY  - BOOK
AU  - Tiratsoo, E. N.
TI  - Petroleum geology
AV  - TN870 .T7
U1  - 553.282 
PY  - 1951///
CY  - London
PB  - Methuen
KW  - Petroleum
KW  - Geology
N1  - Includes bibliographical references and index
ER  -