1) The Plant Variety Protection Act

Author
Erker, Brad
Series
Crop series. Production volume no. 0.301
Publisher
Colorado State University Extension Service
Pub. Date
[2006]
Language
English

2) Protected varieties and the Plant Variety Protection Act

Author
Brick, Mark Anthony
Series
Service in action volume no. 0.301
Publisher
Colorado State University Extension Service
Pub. Date
1982.
Language
English