TY  - BOOK
AU  - Eaton A.D.,et.all.
TI  - Standard Methods : for the examination of water & wastewater
SN  - 0-87553-047-8
U1  - 628.16 EAT 
PY  - 2005///
CY  - washington
PB  - A.P.H.A.
ER  -