*0011577441
*008910110s1990    xx#           000 0 nob
*019  $bk
*08230$a372.125
*100  $aNerdrum, Jan Bredo$_132847100
*245  $aDifferensiering - lærernes hodepine?$cav Jan Bredo Nerdrum
*300  $aS. 16-17 : ill.
*773  $tNorsk skoleblad$gnr 24 (1990)$x0029-2117$w(NO-LaBS)307427(tnr)
*999  $z9100125290$anorart:9100125290
^