1. Air pollution control equipment selection guide /Kenneth C. Schifftner.

Library: Tehran University, technical faculty libraries 1 (Tehran)

Subject: Air--Purification--Equipment and supplies.

Classification :
TD
889
.
S35
2002
cd5

2. Air pollution control equipment selection guide /Kenneth C. Schifftner.

Library: Library of Graduate Faculty of Environment of Tehran Univerdity (Tehran)

Subject: Air--Purification--Equipment and supplies.

Classification :
TD
889
.
S35
2002
cd