1. Natural systems for wastewater treatment
Author: Prepared by Task Force on Natural systems
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Sewage disposal,Purification ، Sewage
Classification :
TD
645
.
N37
1990


2. Natural systems for wastewater treatment
Author: prepared by Task Force on Natural Systems, Sherwood C. Reed, chairman
Library: Central Library of Amirkabir University of Technology (Tehran)
Subject: Sewage - Purification , Land treatment of wastewater , Sewage lagoons
Classification :
TD
745
.
N345

