TY - BOOK AU - Petersen, Jørn Henrik AU - Petersen, Klaus TI - The politics of age : basic pension systems in a comparative and historical perspective SN - 9783631581919 U1 - 368.430094 PET PY - 2009/// CY - Bern PB - Peter Lang KW - Old age pensions -- Europe -- Congresses KW - Social security -- Europe -- Congresses KW - Welfare state -- Europe -- Congresses ER -