1. A Clear view Foreword
Author: / by William D.Ruckelshaus 'Emmaus
Library: Tehran University, technical faculty libraries 1 (Tehran)
Subject: Environmental protection--United states--Citizen participation,Pollution--United States,Factory and trade waste - United ststes
Classification :
TD
171
.
C36
1976
2. A clear view
Author: Cannon, James Spencer
Library: Central Library of Amirkabir University of Technology (Tehran)
Subject: Environmental protection - United States - Citizen participation , Pollution - United States , Factory and trade waste - United States
Classification :
TD
171
.
C36
1975
