TY  - SER
TI  - Environmental progress
SN  - 0278-4491
PY  - 1982///
CY  - Washington, D.C.
PB  - American Chemical Society
KW  - Environmental engineering
KW  - Periodicals
N1  - UKM: v.6-8 (1987-1989). University Book Store, Petaling Jaya
ER  -