000 00292nam a2200121Ia 4500
008 220201s1950 xx 000 0 eng d
082 _bKEY
100 _aKeyes, K.
245 0 _aHow to develop your thinking ability
260 _aNew York
_bMc Graw Hill
_c1950
300 _a246
942 _2ddc
999 _c18048
_d18048