Etiqueta de registo: 00270nx b22000973 45
001 387124
100 ## $a19890804apora0103 ba0
102 ## $aBR
152 ## $aRPC
210 12 $aResearch Coordination Meeting on Soil Nitrogen as Fertilizer or Pollutant,$d4,$ePiracicaba, Brasil,$f1978
801 #0 $aPT$bBN
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