00490nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067100001800076245009000094260004900184300001000233440003900243505001200282650002600294Para_3219CHAP220125s1936 xx 000 0 und d a201681 cCHAP aLutman, B. F. aSoil actinomyces and potato scab /c B. F. Lutman R. J. Livingston, Alice M. Schmidt aVermont :b Agricultural Experiment Station a32 p. aVermont Agric. Exp. Sta. Bull; 401 aFolleto 7aPapasxEnfermedades2