000 | 00568nam a2200205Ia 4500 | ||
---|---|---|---|
008 | 230524s9999 xx 000 0 und d | ||
040 | _cUDSM | ||
050 | _aLB1029.A85L8 | ||
100 | _aLumsdaine, Arthur A. | ||
245 | 0 | _aTeaching machines and programmed learning: a source book | |
260 | _aWahington | ||
260 | _bDepartment of Audio-Association, National education Association | ||
260 | _c1962 | ||
300 | _a724p. | ||
300 | _c24cm. | ||
650 | _aTeaching machines | ||
700 | _aill. | ||
942 | _2Library of Congress Classification | ||
942 | _cBook | ||
999 |
_c100284 _d100284 |