TY  - BOOK
TI  - Seminar on Chemist & the environment, twenty-first annual session of ICC[colombo, July 7, 1992.]
U1  - 577.14 
PY  - 1992///
CY  - Colombo
PB  - Institute of Chemistry
KW  - Ecology
N1  - Theme seminar institute of chemistry, Ceylon twenty-first annual session, July 7, 1992
ER  -