000 00325nam a2200133Ia 4500
008 161118s2016 xx 000 0 und d
082 _a370.78 LEH-E
100 _aLehmann, I.J.
245 0 _aEducational Research
250 _a2nd.
260 _aNew York
_bHolt Rinehart and Winston
_c1979
300 _a433p.
942 _2ddc
999 _c17436
_d17436