TY  - MANSCPT
ED  - American Public Health Association,
ED  - Water Pollution Control Federation,
ED  - American Water Works Association,
TI  - Standard methods: for the examination of water and wastewater 
SN  - 0875532071
PY  - 1992///
CY  - Washington
PB  - American Public Health Association
KW  - Agua
N1  - 1.Introduction.--2.Physical and aggregate properties.--3.Metals.--4.Inorganic nonmetallic constituents.--5.Aggregate organic constituents.--6.Individual oprganic compounds.--7.Radioactivity.--8.Toxycity.--9.Microbiological examination.--10.Biological  examination.--
ER  -