@article{Kley2010,
author = {Kley, S.A. and Mulder, C.H.},
title= {Considering, planning, and realizing migration in early adulthood. The influence of life-course events and perceived opportunities on leaving the city in Germany},
year = {2010},
doi = {10.1007/s10901-009-9167-8},
volume = {25},
number = {1},
pages = {73--94},
}