000 00318nam a2200109Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aBush, R. R.
245 0 _aStudies in Mathematical Learning Theory
260 _bStanford University Press
_aStanford
_c1959
942 _c1
999 _c60047
_d60047