Garg, Santosh Kumar  <br/><br/>
Environmental engineering Vol. II : sewage disposal and air pollution engineering. 

 - 8th ed. 
 - Delhi:   Khanna Publishers,   1992. 
 - xvi,696p.:illu. 
<br/><br/>includes bibliography and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental health<br/>Air pollution
<br/><br/><label>Dewey Class. No.: </label>628G231e /1992