Kirby, Celia. <br/><br/>
The hormone weedkillers :  a short history of their discovery and development / 
Celia Kirby. 
 - Croydon :  BCPC Publications,  1980. 
 - 55 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Herbicides--History.