TY  - BOOK
ED  - United Nations Environment Programme.
ED  - Global Environmental Monitoring System.
ED  - UNEP GEMS Collaborating Centre for Freshwater Quality Monitoring and Assessment.
TI  - Water quality of world river basins
U1  - 363.73942 
PY  - 1995///
CY  - Nairobi
PB  - United Nations Environment Programme
KW  - Water quality
KW  - Watersheds
N1  - Includes bibliographical references (p. 38-39)
ER  -