000 00275nam a2200121Ia 4500
001 83421
008 170722s9999 xx 000 0 und d
100 _aLovell, K.
245 _aUnderstanding research in educaion /
260 _c1970.
700 _aLawson, Ks
942 _cGEN
999 _c77231
_d77231