Agnese Vitali, Francesco C. Billari{{{заглавие}}} = Changing Determinants of Low Fertility and Diffusion: a Spatial Analysis for Italy. — doi:10.1002/psp.1998
doi.org
dx.doi.org
Agnese Vitali, Francesco C. Billari{{{заглавие}}} = Changing Determinants of Low Fertility and Diffusion: a Spatial Analysis for Italy. — doi:10.1002/psp.1998