000 00364nas a2200157 a 4500
001 41223
003 109973
005 20201118101639.0
008 ||||||n9999 ||| || ||
041 _aspa
245 0 _aVision - Vol.89 No.6 (1997)
260 _aMéxico :
_bVision Incorporated,
_c1997.
562 _e1
773 _016581
_aVision :
942 _cSISS
999 _c41223
_d41223