TY  - BOOK
AU  - Crop Science Society of America
TI  - Variety protection by plant patents and other means
U1  - 631.5 
PY  - 1969///
CY  - Madison
PB  - Crop Science Society of America
N1  - Crop Science Society of America: Variety protection by plant patents and other means.  Madison.  Crop Science Society of America, 1969.--(631.5CRO)
ER  -