TY  - BOOK
AU  - Frakes, Rod V.
TI  - Variety pprotection, by plant patents and other means; pappers presented at the annual
T2  - Technical series
PY  - 1969///
CY  - Madisson, Wis.
PB  - Crop Science Society of America
KW  - Plantas
KW  - Mejoramiento
KW  - Semillas
KW  - Legislación
ER  -