TY  - BOOK
ED  - American Public Health Association
ED  - American Water Works Association.
ED  - Water Pollution Control Federation.
TI  - Standard methods for the examination of water and wastewater
U1  - 543.3 
PY  - 1985///
CY  - Washington
PB  - American Public Health Association
KW  - Agua
KW  - Análisis
KW  - Aguas residuales
KW  - Analisis
ER  -