000 00263nam a2200109Ia 4500
100 _aRichardoson C.A.
942 _cBK
654 _a
245 _aMethods and experiments in mental tests
260 _aLondon
_bGeorge G. Harrap & Company
_c1922
082 _a151.222
999 _c386605
_d386605
041 _aeng