Weed control handbook :  principles / 
issued by the British Crop Protection Council and edited by H. A. Roberts 
 - 7th ed. 
 - Oxford :  Blackwell Scientific Publications,  1982 
 - xvi, 533 pages :  illustration ;  23 cm. 
<br/><br/><label>ISBN: </label>0632010185 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds--Control<br/>Herbicides