Singh, Gian <br/><br/>
Environmental deterioration in India-causes and control with special reference to Punjab 

 - New Delhi  Agricole Publishing Academy  1991 
 - xvi,226 p. 
<br/><br/><label>ISBN: </label>8185005761 
<br/><br/><label>Dewey Class. No.: </label>363.730954  / SIN