Thomson, William Thomas. <br/><br/>
Agricultural chemicals / 
William Thomas Thomson. 
 - 1979-80 revision. 
 - Fresno, Califnia :  Thomson Publications,  c1980. 
 - 4 v. :  Illustrations. 
<br/><br/>Bk 1. Insecticides, acaricides and ovicides, Bk. 2. Herbicides, Bk.3. Miscellanoue chemicals : fumigants, growth regulators, repelents and rodenticides, Bk.4. Fungicides. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural chemicals.