000 00400nam a22001697a 4500
999 _c147951
_d147950
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008 201007b ||||| |||| 00| 0 eng d
041 _aEN
082 _223
_a420
_bSUS
100 _aStebbing,Susan L.
245 _aThinking to some purpose
260 _aNew York
_bPenguion Books
_c1939
300 _a189 p.
500 _aIncludes Index
509 _aNS
942 _cS