Etiqueta de registo: 00000nx a22000253 45
001 1456855
100 ## $a20110405apory0103 ba0
152 ## $aRPC
200 #1 $aStal,$bLucas J.
801 #0 $aPT$bBN
810 ## $aNitrogen fixation and transcription-regulation of genes...
830 ## $aOrient. tese dout.
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