Etiqueta de registo: 00243nx b22000853 45
001 465728
100 ## $a19890804apora0103 ba0
152 ## $aRPC
210 02 $aInternational Symposium on Nitrogen Fixation with Non-Legumes,$d3,$eHelsinki,$f2-8 September 1984
801 #0 $aPT$bBN
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