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*100  $aChristensen, Tor Bjarne$4aut$_128990500
*245  $aDet var en gang et land$btema: Naturen - livsgrunnlaget vårt
*300  $aS. 28-31 : ill.
*650  $abiologisk mangfold$2norart$_18316900
*650  $aØkosystemer$2norart$_10310300
*651  $aNorge$_10023300
*773  $tNatur & miljø$gNr. 3 (2016)$x0807-9234$w(NO-LaBS)927231(tnr)
*999  $z1700607810$anorart:1700607810
^