00622nam a2200181 i 4500001000700000003000900007005001700016007000300033008004100036100003000077245007900107260003300186300002100219500002700240852003200267999001900299952012200318149206ES-MaACL20230906203011.0t|071019s1972    sp           ||||1| spa d1 aVelasco, Roberto.911373810aReflexiones en torno a la Seguridad Social española / cRoberto Velasco.  a[Irún] : bEthos, c[1972]  a51 p. ; c27 cm.  aEjemplar multicopista.  aES-MaACLjC-43977 bR.84048  c149206d149206  00104070aATENEOMbATENEOMcDEPO2d2008-01-17eSCl0oC-43977p1155699r2023-02-23 00:00:00w2023-02-23yMONOGRAFIA