TY  - BOOK
AU  - Nelson,W L .
TI  - Petroleum refinery engineering / 
SN  - 007Y664939
U1  - 665.53 
PY  - 1985///
CY  - New Delhi : 
PB  - McGraw-Hill Book , 
KW  - PETROLEUM
N1  - Includes appendix and index
ER  -