TY  - BOOK
AU  - Hough Walter S
AU  -  Mason A Freeman
TI  - Spreying dusting and fumigating of plants: Principles and applications
U1  - J:438:5:(E), J1;2      J1 
PY  - 1951///
CY  - New York    
PB  -  Macmillan        
KW  - Agriculture
ER  -