000 00321nas a2200145 a 4500
001 71997
003 146139
005 20201118111000.0
008 ||||||n9999 ||| || ||
245 0 _aSintesis Economica - No.304
260 _c1982.
562 _e0
773 _016191
_aSintesis Economica
942 _cSISS
999 _c71997
_d71997