Singh, Gurcharan  . <br/><br/>
Plant systematics: theory and practice /  
by Gurcharan Singh. 
 - New Delhi :   Oxford & IBH Publishing CO. Pvt. Ltd. ,   1999 
 - 359p ;  
<br/><br/><label>ISBN: </label>81-204-1364-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant systematics
<br/><br/><label>Dewey Class. No.: </label>I5  / N9