@misc{Human Mortality Database2007,
author = {Human Mortality Database},
title= {Human Mortality Database},
year = {2007},
URL = {http://www.mortality.org or http://www.humanmortality.de (data updated on July 26, 2007)},
publisher = {University of California, Berkeley (USA) and Max Planck Institute for Demographic Research, Rostock (Germany)},
}