Weed control handbook :  volume 1 : principles including plant growth regulators / 
issued by the British Crop Protection Council and edited by J. D. Fryer and R. J. Makepeace 
 - 6th ed. 
 - Oxford :  Blackwell Scientific Publications,  1977 
 - xvii, 510 p. :  ill. ;  23 cm. 
<br/><br/> Volume 1, 6th ed. - a companion to volume 2, 8th ed. 
<br/><br/><label>ISBN: </label>0632002093 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds--Control<br/>Herbicides