00423nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067082001600076100001800092245008100110260002500191300001100216650003800227Para_7668CHAP220125s1983    xx            000 0 und d  a206687  cCHAP  aPA 632.8 S8  aStevens, W.A.  aVirology of flowering plants :b tertiary level biology  /c by W.A. Stevens  aNew York :b Blackie  a183 p.  aPlantas x enfermedades por virus