Frear, Donald Elisha Harding. <br/><br/>
A catalogue of insecticides and fungicides 

 - Watman, Mass. :  Chronica Botanica,  1947-48 
 - 2 v. 
 - Annuals Cryptogamici et Phytopathologici  ; 7-8 .
 - Annuals Cryptogamici et Phytopathologici  ; 7-8 .
<br/><br/>Contenido : v.1 Chemical insecticides .- v.2 Chemical fungicides and plant insecticides 
<br/><br/><label>LCCN: </label>42921 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fungicidas.<br/>Insecticidas.
<br/><br/><label>Dewey Class. No.: </label>632.951  / F7