TY  - BOOK
AU  - Hough, Walter S.
TI  - Spraying, dusting and fumigating of plants
PY  - 1951///
CY  - New York : 
PB  - The Macmillan Company, 
KW  - PLANTAS
KW  - ENFERMEDADES (AGRICULTURA)
N1  - Appendix
ER  -