1. Advanes in water pollution research; proceedings of the third international conference held in Munich Germany September 1966 Washington etc. Water pollution control federation etc
Author:
Library: Central Library and Documents Center of Industrial University of Khaje Nasiredin Toosi (Tehran)
Subject: ، Water - Pollution - Congresses,، Sewage - Proification - Congresses
Classification :
TD
420
.
A2
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