Summers, L. A. <br/><br/>
The bipyridinium herbicides / 
L.A. Summers. 
 - London :  Academic Press,  1980. 
 - ix, 449 p. : 
<br/><br/><label>ISBN: </label>0126764506 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bipyridinium compounds.<br/>Herbicides.