@article{Happich2007,
author = {Happich, M. and von Lengerke, T.},
title= {Convergence of life expectancy in the European Union: A Markov approach},
year = {2007},
doi = {10.1080/13504850500425261},
journal = {Applied Economics Letters},
volume = {14},
number = {3},
pages = {175‒178},
}