000 00473nab a2200145Ia 4500
003 ES-SlBCS
005 20210601124302.0
008 140529s1973 xxu||||| |||| 00| 0 eng d
041 _aeng
100 1 _aMorgan, Kathryn P.
_9139134
245 0 0 _aSome Philosophical Difficulties Concerning the Notion Stucture of a Discipline
_c Kathryn P. Morgan
650 0 4 _aDisciplina
_9139135
773 0 _tEducational Theory
_gvol. 23, nº. 1, 1973, págs. 74-89
_wRev1399
942 _cAR
999 _c512311
_d512311