000 00316nam a2200121Ia 4500
001 4883
008 170722s9999 xx 000 0 und d
245 _aData collection by Bryan Moore etc. /
260 _aOpen University Press :
_c1974.
300 _a148 p.
653 _aResearch Methodology,generalia
942 _cGEN
999 _c94882
_d94882