00651nam a2200193Ia 4500001001000000003000500010008004100015010001100056040000900067082002400076100001800100245015200118260007400270300001100344650002600355650004000381700001900421700001700440Para_1793CHAP220125s1980    xx            000 0 und d  a200444  cCHAP  aPA 634.3063 P7 1980  aCalavan, E.C.  aProceedings of the eighth conference of the international organization of citrus virologists  /c ed. by E.C. Calavan, S.M. Garnsey and L.W. Timmer  aRiverside, Cal.  :b International Organization of Citrus Virologists  a297 p.  aCitricos x congresos  aCitricos x enfermedades por virus   aGarnsey, S.M.   aTimmer, L.W.