TY  - BOOK
AU  - Mason, Albert Freeman 
AU  - Hough, Walter S.
TI  - Spraying, dusting, and fumigating of plants: principles and applications 
U1  - 632.94 22
PY  - 1951///
CY  - New York
PB  -  The Macmillan Company, 
KW  - Spraying and dusting in agriculture.
KW  - Genetics plant Breeding
KW  - Fumigation.
KW  -  Insect pests
N1  - Includes index
ER  -