| 000 | 00402nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20210219161442.0 | ||
| 008 | 120618s1983 mx r 000 0 spa d | ||
| 020 | _a9688014974 | ||
| 035 | _aUPN01000185199 | ||
| 049 | _aUNE | ||
| 080 | 4 | _a371.88: 373.5 (72) LAB | |
| 245 | 0 | 0 |
_adireccion general de educación secundaria : _bel laboratorio escolar. |
| 260 |
_aMéxico : _bSEP, _c1983. |
||
| 300 | _a9 p. | ||
| 999 |
_c157302 _d157302 |
||