@article{Lutz2006,
author = {Lutz, W. and Skirbekk, V. and Testa, M.-R.},
title= {The Low Fertility Trap Hypothesis. Forces that May Lead to Further Postponement and Fewer Births in Europe},
year = {2006},
doi = {10.1553/populationyearbook2006s115},
journal = {Vienna yearbook of population research},
volume = {2006},
pages = {167--192},
}