A catalogue of insecticides and fungicides  / 
by Comp. Donald E. H. Frear 
 - Waltham Mass, U.S.A.  :   Chronica botanica company 
 - 203 p. 
<br/><br/> La biblioteca tiene: v. 1 Chemical insecticides 
<br/><br/><label>LCCN: </label>205464 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fungicidas<br/>Insecticidas 
<br/><br/><label>Dewey Class. No.: </label>PA 632.951 F7