TY  - BOOK
TI  - Fresh water pollution
SN  - 9211005787
U1  - 628.1/68 
PY  - 1991///
CY  - Nairobi
PB  -  UNEP.
KW  - Water
KW  -  Pollution
KW  - Water pollution
KW  -  Collected works
KW  - Water pollution, Radioactive
ER  -