1. Hand book of public water systems
Author: edited by: Robert B. Williams, Gordon L. Culp
Library: (Semnan)
Subject: ، Nunicipal water supply- United states,، Water quality- United states,، Water- Purification
Classification :
TD
223
.
H27
2. Handbook of public water systems
Author: Culp/Wesner/Culp ; Edited by Robert B. Williams, Gordon L. Culp
Library: Central Library of Amirkabir University of Technology (Tehran)
Subject: Municipal water supply United States, Water quality United States, Water Purification -- United States
Classification :
TD
223
.
H36
1986
