@article{Bonifazi2000,
author = {Bonifazi, C. and Heins, F.},
title= {Long-term trends of internal migration in Italy},
year = {2000},
doi = {10.1002/(sici)1099-1220(200003/04)6:2<111::aid-ijpg172>3.0.co;2-l},
journal = {International Journal of Population Geography},
volume = {6},
number = {2},
pages = {111--131},
}