K. N. Duggal <br/><br/>
Elements of environmental engineering 

 - New Delhi  S. Chand & Company Ltd.  1966 
 - 451 p. 
<br/><br/><label>ISBN: </label>9788121915472 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering -- Greece -- HistorySewage-Environmental aspects; Buildings-Environmental engineering; Environmental engineering
<br/><br/><label>Dewey Class. No.: </label>628  / D8719e