Recent progress in medicinal plants: V. 5, crop improvements, production technology, trade and commerce/ 
edited by J. N. Govil, V. K. Singh, Shamima Hashmi and Gurdip Singh 
 - Texas, USA:  Sci Tech Publishing LLC,  2002. 
 - 551 p. 
<br/><br/><label>ISBN: </label>1930813104 
<br/><br/><label>Dewey Class. No.: </label>581.634  / GOV/R