00606   #a2200349  #4500001001000000004000500010005001700015006000200032008000400034010000500038011000500043014000500048021000500053035000500058041000700063047000500070068000500075082000900080082001900089100001500108110000500123111000500128245005000133245000500183260001800188260001500206260000900221260000900230300000700239555000500246650000500251  aLibros  aM20140826164055.0m  a  a  a  a  a  a  aEn  a  a  aIICA  aPM-A1/SC-90-04  aTrigo, E.J  a  a  aBiosafety regulations in developing countries  a  asin   inv.b1  aCosta Rica  c1990  bIICA  a18  a  a