Freshwater pollution
Global freshwater quality
Wheal, Caroline.
creator
United Nations Environment Programme
text
bibliography
ke
Nairobi
UNEP
1991
monographic
eng
36 p. : ill., maps ; 26 cm.
[text, Caroline Wheal].
Cover title.
"Based on Global freshwater quality (Blackwell, 1990) and other sources"--T.p. verso.
Includes bibliographical references (p. 35-36).
Water
Pollution
Water-supply
TD425 .W49 1991
363.7394 UNF
UNEP/GEMS environment library ; no. 6
92981260
DLC
140831
20140901122319.0
3940188