@inbook{Bengtsson2003,
author = {Bengtsson, T.},
title= {The need for looking far back in time when predicting future mortality trends},
year = {2003},
editor = {Bengtsson, T.},
editor = {Keilman, N.},
booktitle = {Perspectives on mortality forecasting, Vol. 1},
publisher = {Swedish National Social Insurance Agency},
}