000 00274nam a2200109Ia 4500
100 _aRobert C Burkhart
942 _cBK
245 _aSpontaneous and deliberate ways of learning
260 _aInternational Textbook Co, Scranton
_c1962
082 _a154.4 Bur
300 _axx,260p
999 _c9086
_d9086