Crop Science Society of America., American Society for Horticultural Science., American Society of Agronomy., Soil Science Society of America., U.S. Department of Agriculture-Science and Education., Baenziger, P. S., . . . Barnes, R. F. (1993). Intellectual property rights: Protection of plant materials. Estados Unidos de América: Crop Science Society of America, Inc. ; American Society of Agronomy, Inc., Soil Science Society of America, Inc..

Crop Science Society of America., American Society for Horticultural Science, American Society of Agronomy, Soil Science Society of America, U.S. Department of Agriculture-Science and Education, P. Stephen Baenziger, Roger A. Kleese, and Robert F. Barnes. Intellectual Property Rights: Protection of Plant Materials. Estados Unidos de América: Crop Science Society of America, Inc. ; American Society of Agronomy, Inc., Soil Science Society of America, Inc., 1993.

Crop Science Society of America., et al. Intellectual Property Rights: Protection of Plant Materials. Estados Unidos de América: Crop Science Society of America, Inc. ; American Society of Agronomy, Inc., Soil Science Society of America, Inc., 1993.