Lutman, B. F. Soil actinomyces and potato scab / B. F. Lutman R. J. Livingston, Alice M. Schmidt - Vermont : Agricultural Experiment Station - 32 p. - Vermont Agric. Exp. Sta. Bull; 401 . Folleto LCCN: 201681 Subjects--Topical Terms: Papas--Enfermedades