000 00343nam a2200133Ia 4500
008 180413s9999 xx 000 0 und d
020 _a(Pbk)
100 _aWandt Edwin
245 2 _aA Cross Section Of Educational Research
260 _bNew York : Mckay 1965.
300 _a301
546 _aEng
690 _aEducational Research ; Education.
999 _c19463
_d19463