Current practices in environmental sciences and engineering  

 - Delhi:   IBT Publishers & Distributors,   1987 
 - viii, 232p. 
<br/><br/> Vol. 3; viii, 232p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>628.1/.4+504   / M7