TY  - GEN
AU  - Jansz , E.R.
AU  - Cyril , S.K. 
AU  - Kularatne , K.W.S. 
TI  - Industrial chemistry unit IV petroleum, petrochemicals and dyes
U1  - 661.804 
PY  - 2000///
CY  - Nugegoda
PB  - Open University
KW  - Technology And Industrial Chemicals
ER  -