000 00296nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a416757804
082 _a370.152JEN
100 _aJensen A.R.
245 0 _aEducation and Group differences
260 _bmethuen& co ltd
_c1973
942 _cBK
999 _c436094
_d436094