000 00282 a a2200133 04500
001 14983
003
040 _aCRAI/IIS
_cCRAI/IIS
090 _a028600
100 _aObregón Valverde, Enrique
245 _aDemocracia moderna
260 _aHeredia:
_bCEDAL
300 _a30 p.
999 _c17611
_d17611