?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Gonnot%2C+J.-P.&rft.aulast=Gonnot&rft.aufirst=J.-P.&rft.date=1995&rft.isbn=0-7923-3395-0&rft.btitle=Social+Security%2C+Household+and+Family+Dynamics+in+Aging+Societies&rft.genre=book