TY  - BK
AU  - CSSA
ED  - Annual Meeting of the Crop Science Society of America
TI  - Variety protection by plant patents and other means
T2  - CSSA Technical Series
PY  - 1969///
CY  - Madison, WI (USA)
PB  - CSSA, 
KW  - Breeders rights
KW  - Legislation
KW  - Patents
KW  - Regulations
ER  -