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*245  $aSirkus vitenskap
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*650  $a1800-tallet$9nor$2norart$_128661200
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*650  $aForskningsformidling$2norart$_30612200
*650  $anaturvitenskap$9nor$2norart$_128866700
*773  $tIllustrert vitenskap$gNr. 18 (2011)$x0800-3955$w(NO-LaBS)468191(tnr)
*999  $z1200506266$anorart:1200506266
^