Bonin, V. Obtencao e multiplicacao in vitro de batateiras (Solanum tuberosum L.)isentas de virus Y (PVY). - Vicosa, MG (Brasil): 1988. - 68 p. 7 illus.; 12 tables; Bibliography p. 61-68 (70 ref.); Summary (Por) Subjects--Topical Terms: BATATAVIRUS