@article{Billari2009,
author = {Billari, F.C. and Philipov, D. and Testa, M.R.},
title= {Attitudes, Norms and Perceived Behavioural Control: Explaining Fertility Intentions in Bulgaria},
year = {2009},
doi = {10.1007/s10680-009-9187-9},
journal = {European Journal of Population},
volume = {25},
number = {4},
pages = {439--465},
}