000 00276nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a001.814
_bROS
100 _aRoss, Robert
245 0 _aResearch: An introduction
260 _aNew York
_bBarnes and Noble
_c1974
942 _cBK
999 _c34106
_d34106