@inbook{Laditka2002,
author = {Laditka, S.B. and Hayward, M.D.},
title= {The evolution of demographic methods to calculate health expectancies},
year = {2002},
doi = {10.1002/0470858885.ch11},
editor = {Robine, J.-M.},
editor = {Jagger, C.},
editor = {Mathers, C.D.},
editor = {Crimmins, E.M.},
editor = {Suzman, R.M.},
booktitle = {Determining health expectancies},
address = {Chichester},
publisher = {John Wiley and Sons, Ltd},
pages = {221--234},
}