TY  - GEN
AU  - Greenberg, Arnold E
AU  - Connors, Joseph J
AU  - Jenkins, David
TI  - Standard Methods for the Examination of Water and Wastewater
SN  - 0875530915
U1  - 628.16 
PY  - 1981///
CY  - Washington
PB  - American Public Health Association
ER  -