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| 005 | 20210219152906.0 | ||
| 008 | 991125n 000 0 eng u | ||
| 035 | _aUPN01000065842 | ||
| 100 | _aSpeitel, Thomas W. | ||
| 222 | _aSCIENCE TEACHER | ||
| 245 | _aBarcode your classroom | ||
| 300 | _a18-22 | ||
| 362 | _a1992 59, No. 7 | ||
| 505 | _aMayo 1993 | ||
| 653 | 0 | _aEDUCACION CIENTIFICA | |
| 653 | 0 | _aTECNOLOGIA EDUCATIVA | |
| 904 |
_aAC _b003653 |
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| 905 | _aArticulo | ||
| 999 |
_c63158 _d63158 |
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