@article{Widmer2009,
author = {Widmer, E.D. and Ritschard, G.},
title= {The de-standardization of the life course: Are men and women equal?},
year = {2009},
doi = {10.1016/j.alcr.2009.04.001},
volume = {14},
number = {1‒2},
pages = {28‒39},
}