TY  - BOOK
AU  - " Hough, Walter S."
TI  - Spraying dusting and fumigating of plants principles and applications
U1  - 632.982 J1 
PB  - "New York : The Macmillan company, 1951"
KW  - " Mason, A. Freeman"
KW  - "Spraying, dusting and fumigating"
ER  -