@article{Bijak2007,
author = {Bijak, J. and Kupiszewska, D. and Kupiszewski, M. and Saczuk, K. and Kicinger, A.},
title= {Population and labour force projections for 27 European countries, 2002–2052: Impact of international migration on population ageing},
year = {2007},
doi = {10.1007/s10680-006-9110-6},
volume = {23},
number = {1},
pages = {1--31},
}