00590nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067082002400076100002300100245010800123260008600231300001100317650002600328650004000354700001400394Para_1791CHAP220125s1974    xx            000 0 und d  a200442  cCHAP  aPA 634.3063 P7 1974  aWathers, L.G., ed.  aProceedings of the international organization of citrus virologists  /c ed. L.G. Weathers and M. Cohen  aRiverside, Cal.  :b University of California. División of Agricutural Sciences  a232 p.  aCitricos x congresos  aCitricos x enfermedades por virus   aCohen, M.