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| 001 | 019271 | ||
| 008 | 060802s2000 mx spa u | ||
| 082 | 0 | _a044428 | |
| 245 | 0 | 0 |
_aSiglo XX, la vida en México; Experimental; El mundo de la ciencia / _cEdusat |
| 260 |
_aMéxico : _bINSP, _c2000 |
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| 300 |
_a1 videocasete VHS _b(120 min.) |
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| 942 | _cVM | ||
| 999 |
_c17179 _d17179 |
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