TY  - BOOK
AU  - Hough, Walter Seneff,
AU  - Mason, Albert Freeman
TI  - Spraying, dusting and fumigating of plants, principles and applications
AV  - SB951 H837
PY  - 1951///
CY  - New York
PB  - Macmillan
KW  - Rociado
KW  - Insectos útiles
ER  -