000 00314nam a2200121Ia 4500
008 210901s1966 xx 000 0 eng d
082 _a510 SKE
100 _aSkemp, Richard R.
245 0 _aUnderstanding mathematics
260 _aLondon
_bUniversity of London Press Ltd.
_c1966
300 _a192p.
942 _2ddc
_cBK
999 _c8666
_d8666