@article{Keilman2004,
author = {Keilman, N. and Pham, D. Q.},
title= {Time Series Based Errors and Empirical Errors in Fertility Forecasts in the Nordic Countries},
year = {2004},
doi = {10.2307/1403839},
journal = {International Statistical Review/Revue Internationale de Statistique},
volume = {72},
number = {1},
pages = {5--18},
}