000 00285nam a2200109Ia 4500
008 210324s1951 xx 000 0 und d
041 _aeng
082 _a153
100 _aFlasch, Rudolf
_91574024
245 _aArt of clear thinking
260 _aN. York
_bHarper & Row Publishers
_c1951
999 _c1022569
_d1022569