000 00321nas a2200145 a 4500
001 71857
003 145963
005 20201118110953.0
008 ||||||n9999 ||| || ||
245 0 _aSintesis Economica - No.250
260 _c1981.
562 _e0
773 _016191
_aSintesis Economica
942 _cSISS
999 _c71857
_d71857