00487nas a22001697i 450000500170000000800410001704000140005824500730007265300200014565500130016592600100017893100710018831000160025999800080027593900130028395200210029620150127131744.0050620s2005 sp gr 000 0 spa c aSIISbspa10aBENEFITS. A JOURNAL OF SOCIAL SECURITY RESEARCH, POLICY AND PRACTICE10aAcción social 4aRevistas aJENNY a. HEMOS RECIBIDO EL Nº20 DE 1997 Y NOS HEMOS SUSCRITO PARA 1998. a2 Nº/AÑO aREV a20050620 aSISoR.1302yREV