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*24500$aHans-Jørgen Gjessing - forsker og "skolemann"$cEdvard Befring...[et al.]
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*7001 $aBefring, Edvard$d1936-$0(NO-TrBIB)90706981$_15251900
*7730 $tSpesialpedagogikk$dOslo : Universitetsforlaget, 1990$z8200029069$w999002859744702201
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*999  $aoai:nb.bibsys.no:990520572834702202$b2021-11-02T03:18:05Z$z990520572834702202
^