000 00516nam a2200097Ia 4500
008 120223s9999 xx 000 0 und d
082 _a300.72 RUN
100 _a Runkel , Philip J.
245 _aResearch on human behavior : a systematic guide to method
260 _bHolt, Rinehart & Winston
_aNew York
_c1972
999 _c150526
_d150526