000 00300nam a2200121Ia 4500
008 220201s1951 xx 000 0 eng d
082 _a153.65
_bFLE
100 _aFlesch, Rudolf
245 4 _aThe art of clear thinking
260 _aNew york
_bHarper and brother
_c1951
300 _a212
942 _2ddc
999 _c12691
_d12691