TY  - BOOK
ED  - American Water Works Association
ED  - Water Pollution Control Federation
TI  - Standard Methods for the Examination of Water and Wastewater: selected analytical methods approved and cited by the united states environmental protection agency
SN  - 0-87553-094-X
CY  - Estados Unidos
KW  - Normas de calidad del agua
KW  - Agua
KW  - Aguas residuales
ER  -