TY  - BOOK
AU  - Gruse,William A.
TI  - The chemical technology of petroleum
U1  - Cg204 
PY  - 1942///
CY  - London
PB  - Mcgraw hikk book company
KW  - English Literature
N1  - Cg mean Chemistry General and Practical Page 476-483 in A-Z Register (Acc. No. Cg1-Cg219)
ER  -