TY  - BOOK
AU  - Spencer, Oscar F.
TI  - Secondary recovery of oil
U1  - 338.27282 
PY  - 1954///
CY  - Pennsylvania
PB  - The pennsylvania Stae University
KW  - Oil field equipment and supplies industry
KW  - Petroleum industry and trade
KW  - Secondary recovery of oil
N1  - Bibliography: leaves 433-434
ER  -