@article{Raab2014,
author = {Raab, M. and Fasang, A.E. and Karhula, A. and Erola, J.},
title= {Sibling similarity in family formation},
year = {2014},
doi = {10.1007/s13524-014-0341-6},
journal = {Demography},
volume = {51},
number = {6},
pages = {2127--2154},
}