Variety protection
Annual Meeting on the variety protection, New Orleans, Nov.1968.
Variety protection - Wisconsin Crop Science Society of America 1969 - vi,54p. - CSSA Technical Series; no.1 .
plant patents and other means; papers.
631.53.02:631.543.83 1968.1.14 (082.2) K9
Variety protection - Wisconsin Crop Science Society of America 1969 - vi,54p. - CSSA Technical Series; no.1 .
plant patents and other means; papers.
631.53.02:631.543.83 1968.1.14 (082.2) K9


