Horsfall, James Gordon,  1905- <br/><br/>
Fungicides and their action / 
James G. Horsfall ; Foreword by David Fairchild. 
 - Waltham, Mass., :  Chronica Botanica Co.,  1945. 
 - 8 p., 239, [1] p. :  ill., diagrs. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fungicides.