@inbook{Alho2008,
author = {Alho, J. and Cruijsen, H. and Keilman, N.},
title= {Empirically based specification of forecast uncertainty},
year = {2008},
doi = {10.1017/CBO9780511493393.004},
editor = {Alho, J.},
editor = {Hougaard Jensen, S.},
editor = {Lassila, J.},
booktitle = {Uncertain Demographics and Fiscal Sustainability},
address = {Cambridge},
publisher = {Cambridge University Press},
pages = {34--54},
}