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*1001 $aRollefsen, Gunnar$d1899-$0(NO-TrBIB)90332707$_33223600
*24510$aSkreiens alder =$bThe age of the spawning cod$cav Gunnar Rollefsen
*24631$aThe age of the spawning cod
*260  $c1939
*300  $aS. 23-26
*653  $askrei$aørestein$aaldersundersøkelser$_127651400
*7102 $aFiskeridirektoratet$0(NO-TrBIB)90100826$_11812600
*7730 $tFisken og havet$d[Bergen] : Fiskeridirektoratet, 1939$w999403231254702201
*901  $a80
*999  $aoai:nb.bibsys.no:990610338124702202$b2021-11-02T03:18:00Z$z990610338124702202
^