00435nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067082002100076100002100097245004300118250000600161260002600167300001100193650003900204650001000243Para_7657CHAP220125s1981    xx            000 0 und d  a206676  cCHAP  aPA 632.8 M3 1981  aMatthews, R.E.F.  aPlant virology  /c by R.E.F. Matthews  a2  aNew York :b Academic  a897 p.  aPlantas x enfermedades por virus   aVirus