000 00376nam a2200121Ia 4500
001 78405
008 170722s9999 xx 000 0 und d
100 _aBlackwell, A. M.
245 _aList of reseraches in education and educational psychology 2v with 2 supplements /
260 _c1950.
490 _aNational foundation for educational Reserach in England and
942 _cGEN
999 _c49870
_d49870