TY - SER AU - Wietholter,P. AU - Fernandes,M.I.B.de M. AU - Brammer,S.P. AU - Minella,E. AU - Iorkzeski,E.J. TI - Genotypic differences in proembroyid development and green plantlets regeneration through androgenesis in barley varieties KW - GENÉTICA VEGETAL KW - CEVADA ER -