000 00354nas a2200157 a 4500
001 106251
003 191714
005 20201118115620.0
008 ||||||n9999 ||| || ||
245 0 _aVision - Vol.88 No.1 (1997)
260 _aMéxico :
562 _e1
773 _016581
_aVision :
942 _cSISS
999 _c106251
_d106251