Environment and biotechnology 
edited by Harvinder S. Sohal, Ashok K. Srivastava. 
 - New Delhi  Ashish Publishing House  1994 
 - vi, 217p., ill.; 23cm. 
<br/><br/><label>ISBN: </label>81-7024-634-2. 
<br/><br/><label>Dewey Class. No.: </label>620.8  / E76E