CHOPRA, V. L. <br/><br/>
Genetic Engineering & Biotechnology 

 - New Delhi  Oxford&IBH publishing co. pvt  .ltd.      1990 
 - 200p. 
<br/><br/><label>ISBN: </label>81-204-0495-5 
<br/><br/><label>Dewey Class. No.: </label>631.523