00538nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067100001600076245014100092300001600233500007200249650004100321700001800362Para_7276CHAP220125s1930    xx            000 0 und d  a206164  cCHAP  aKlotz, L.J.  aThe relative resistance of varieties and species of citrus to pythiacystis gummosis and other bark diseases /c L.J. Klotz, H.S. Fawcett  app. 415-425  aSobretiro de: Journal of agricultural research 41(5): 415-425, 1930  aCítricos x enfermedades por virus  aFawcett, H.S.