@techreport{Beltran-Sanchez2007,
author = {Beltran-Sanchez, H. and Preston, S.},
title= {A new method for attributing changes in life expectancy to various causes of death, with application to the United States},
year = {2007},
URL = {http://repository.upenn.edu/psc_working_papers/5/},
address = {University of Pennsylvania: Population Studies Centre},
number = {PSC Working Paper Series; 07-01},
}