author = { Compton, Janice National Bureau of Economic Research Pollak, Robert A. },

title = { The Life Expectancy of Older Couples And Surviving Spouses },

publisher = {National Bureau of Economic Research},

year = {2018},

booktitle = {NBER working paper series ; no. w25009},

address = { Cambridge, Mass },

url = { http://slubdd.de/katalog?TN_libero_mab2 }