@inbook{Hummer2009,
author = {Hummer, R.A. and Rogers, R.G. and Masters, R.K. and Saint Onge, J.M.},
title= {Mortality Patterns in Late Life},
year = {2009},
doi = {10.1007/978-1-4020-8356-3_23},
editor = {Uhlenberg, P.},
booktitle = {International Handbook of Population Aging},
publisher = {Springer Netherlands},
pages = {521--542},
}