A MANUAL ON THE WEEDS OF THE MAJOR SROPS OF CEYLON 

 - LONDON  chancery   1946 
 - 200P. :  ill ;  25 cm  
<br/><br/><label>Subjects--Topical Terms: </label><br/>science
<br/><br/><label>Universal Decimal Class. No.: </label>11  / W28.2