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| 005 | 20210219153054.0 | ||
| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000076381 | ||
| 100 | _aBecker, Henry Jay | ||
| 222 | _aEDUCATIONAL TECHNOLOGY | ||
| 245 | _aEncyclopedias on CD-ROM : two orders of magnitude more than any other educaional software has ever delivered before | ||
| 300 | _a7-20 | ||
| 362 | _a31, No. 2, 1991 | ||
| 505 | _aJulio 1991 | ||
| 653 | 0 | _aDISCOS OPTICOS DE DATOS | |
| 653 | 0 | _aDISEÑO ASISTIDO POR ORDENADOR | |
| 653 | 0 | _aENCICLOPEDIAS | |
| 904 |
_aAC _b014192 |
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| 905 | _aArticulo | ||
| 999 |
_c67754 _d67754 |
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