Singh, B. D. <br/><br/>
Biotechnology  expanding horizons 
B. D. Singh 
 - 3rd ed. 
 - Ludhiana  Kalyani Publishers  2011 
 - 925p 
<br/><br/><label>ISBN: </label>978-81-272-6153-6 
<br/><br/><label>Dewey Class. No.: </label>664  / SIN