@article{Edwards2011,
author = {Edwards, R.D.},
title= {Changes in World Inequality in Length of Life: 1970–2000},
year = {2011},
doi = {10.1111/j.1728-4457.2011.00432.x},
journal = {Population and Development Review},
volume = {37},
number = {3},
pages = {499--528},
}