TY  - BOOK
AU  - Enos,J.L.
TI  - Technical progress and profits: process improvements  in petroleum refining 
SN  - 0197300235
PY  - 2002///
CY  - New York
PB  - Oxford Univ. Press
KW  - Catalytic cracking
KW  - Technological innovations
KW  - History
ER  -