Fryer, J. D. Makepeace, R. J. <br/><br/>
Weed control handbook.  Volume I . Principles : including plant growth regulators 

 - 6th ed. 
 - Oxford:  Blackwell Scientific,  1977 
<br/><br/><label>ISBN: </label>0632002093 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weed control<br/>Crop protection<br/>Herbicides<br/>Plant growth regulators
<br/><br/><label>Dewey Class. No.: </label>632.58