| 000 | 00355nam a2200145 a 4500 | ||
|---|---|---|---|
| 001 | 007126 | ||
| 008 | 991230tDF:1991 000 u spa u | ||
| 082 | 0 |
_a304.6 _bM364m _21991 |
|
| 245 | 0 | 0 | _aMemoria 1990 |
| 260 |
_aMéxico : _bCOLMEX, _cDF: , c1991. |
||
| 300 | _a90p. | ||
| 650 | 4 | _aDemografía-Congresos. | |
| 710 | 0 | _aEl Colegio de México. | |
| 942 | _cBK | ||
| 999 |
_c4648 _d4648 |
||