Allelopathy  field observations and methodology 
edited by S.S. Narwal, P. Tauro. 
 - Jodhpur  Scientific Publishers  1996 
 - V.1 (viii,341p.), 21cm. 
<br/><br/><label>ISBN: </label>8172331304. 
<br/><br/><label>Dewey Class. No.: </label>631.583  / A32A