| 000 | 00335ngc a22001214a 4500 | ||
|---|---|---|---|
| 001 | 019996 | ||
| 008 | 061113s2000 mx spa u | ||
| 082 | 0 | _a046273 | |
| 245 | 0 | 3 |
_aEl Colegio Nacion Sergio Ramírez; Contaminación ambiental / _cEdusat |
| 260 |
_aMéxico : _bINSP, _c2000 |
||
| 300 |
_a1 videocasete VHS _b(120 min.) |
||
| 942 | _cVM | ||
| 999 |
_c17895 _d17895 |
||