19. ......................
Author: prepared and Published by American public Health Association, Aemrican water works Association )and( water Pollution Control Federation
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Analysis - United States ، Water,Analysis - United States ، Sewage,United states ، Waste products
Classification :
QD
142
.
A5
1981
suppl
.
