00641nam a2200181 a 4500 1/52892 210723s1992 enk 000 | eng d GR-PeUP 331.252 KOL Kolb, R. The impact of changing life expectancy and retirement patterns on pension costs / R. Kolb. Geneva : International Social Security Association, 1992. 123 σ. ; 22 εκ. Συνταξιοδότηση. Ζωή. Retirement Economic aspects. INST UNIPILB MAIN 20210723 331.252 KOL 00183168 00183168 LOAN 0 1 ΜΑΡΙΑ ΒΕΛ