Asthana, D.K.  <br/><br/>
Environment   problems and solutions 
D.K. Asthana 
 - New Delhi  S Chand and Company Limited  1998 
 - xix, 434p. 
<br/><br/><label>ISBN: </label>9788121916547 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature--Effect of human beings on<br/>Environmental sciences
<br/><br/><label>Dewey Class. No.: </label>363.7 As83e