Working Paper
Gass, T.
European Cooperative Programme for Crop Genetic Resources Networks; International Plant Genetic Resources Institute; Gass, T.; Gustafsson, M.; Astley, D.; Frison, E.A. (comp.) (1995) Report of a Working Group on Brassica. Second meeting, 13-15 November 1994, Lisbon, Portugal. n. 94 p. ISBN: 92-9043-252-7