TY  - BOOK
AU  - Walter S. Hough
AU  -  A. Freeman Mason, 
TI  - Spraying, dusting and fumigating of plants : Principles and applications
U1  - 632.94 
PY  - 1951///
CY  - New York
PB  - Macmillan Company
N1  - Walter S. Hough & A. Freeman Mason: Spraying, dusting and fumigating of plants : Principles and applications.  New York.  Macmillan Company, 1951.--(632.94HOU)
ER  -