Plant Genetics and Germplasm Institute
W. Ellis Davies
Plant Genetics and Germplasm Institute. Database Management Unit
E. L. Breese
Germplasm Resources Information Network
Jiangxi Sheng (China). Lin mu zhong miao he lin chang guan li ju
Prem Nath
National Germplasm Resources Laboratory (U.S.)
Unknown Author
E. V. Wann
United States. General Accounting Office
Danny Hunter
Christine Frison