TY  - BOOK
AU  - Waddams, A. Lawrence
TI  - Chemicals from petroleum: An introductory survey 
SN  - 0719522056
U1  - 547.83   
PY  - 1970///
CY  - New Delhi
PB  - The engilish  language book society
KW  - Chemistry
KW  - Petroleum
KW  - Biochemistry
ER  -