Sankara Pitchaiah <br/><br/>
Water Ecology Pollution and Management 

 - 1 
 - Allahabad  Gug Pub  1991 
 - XII  298 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Community Dentistry(617.601)<br/>Community Dentistry(617.601)
<br/><br/><label>Dewey Class. No.: </label>617.645