| 000 | 00680nam a2200097Ia 4500 | ||
|---|---|---|---|
| 008 | 210430s9999 xx 000 0 und d | ||
| 245 | _aThe forty-ninth yearbook of the National Society for the Study of Education, Part 1: Learning and instruction. | ||
| 260 |
_aUnited States _bUniversity of Chicago Press |
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| 856 | _uhttp://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqm&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&genre=journal&req_dat=xri:pqil:pq_clntid=50681&svc_dat=xri:pqil:context=title&rft_dat=xri:pqd:PMID=177371 | ||
| 906 |
_a1-Jan-1950 _b1-Jan-1950 _cN _d1-Jan-1950 _e1-Jan-1950 _f1-Jan-1950 _g1-Jan-1950 _h1-Jan-1950 _i1-Jan-1950 _j1-Jan-1950 _k1-Jan-1950 _lN _m177371 |
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_c178282 _d178282 |
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