000			00327nam a2200145Ia 4500
005			20251222151309.0
008			251222s9999||||xx |||||||||||||| ||spa||
020			_a84-481-2314-X
082			_a330/S19/1999
100			_aSamuelson, Paul
245		0	_aEconomía
250			_a16a.ed.
264			_bMcGraww-Hill
942			_cLIB
999			_c23305 _d23305