Tcacenco, F.A. A variation study of ethiopian germplasm of brassica carinata braum and allied species by principal component analysis [Brassica, germoplasma] - Birmingham (UK): 1982. - 84 p. 14 illus.; 17 tables; Bibliography p. 79-84 (63 ref.) Subjects--Topical Terms: BRASSICAGERMOPLASMAESTRUTURA VEGETAL