TY  - BOOK
TI  - Standard methods for the examination of water and wastewater
SN  - 0875530915
AV  - QD142 S72 1981
PY  - 1981///
CY  - Washington
PB  - American public health association
KW  - Agua
KW  - Análisis
KW  - Aguas residuales
ER  -