TY  - BOOK
AU  - Payment,P.
AU  - Sanchez,W.A.
TI  - Water quality control network: proceedings of the meeting held in Ottawa, Canada, 20-24 Feb.,1989
PY  - 1990///
CY  - Ottawa
PB  - International Development Research Centre
KW  - Water quality
KW  - Congresses
ER  -