TY  - BOOK
AU  - Makuch,Joe
TI  - Regulating water quality: policy, standards and laws: july 1991 - march 1993
T2  - Quick bibliography series
SN  - 1052-5378
PY  - 1993///
CY  - Maryland, EUA
PB  - National Agricultural Library
KW  - Agua
KW  - Calidad
KW  - Leyes
KW  - Bibliografía
KW  - Política hidráulica
ER  -