000 00285nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a300.72
_bCAR
100 _aCaro, Francis, G.
245 _aReadings in evaluation research
260 _bRussell sage Foundations
_aNew York
_c1971
999 _c138837
_d138837