Morphology and anatomy of stem/ 
Arora, D. K . 
 - 1st ed. 
 - New Delhi:  Anmol Publications,  1996. 
 - 351 p. 
<br/><br/><label>ISBN: </label>8174882804 
<br/><br/><label>Dewey Class. No.: </label>581.4  / ARO/M