@inbook{Alwin2003,
author = {Alwin, D.F. and McCammon, R.J.},
title= {Generations, cohorts, and social change},
year = {2003},
doi = {10.1007/978-0-306-48247-2_2},
editor = {Mortimer, J.T.},
editor = {Shanahan, M.J. },
booktitle = {Handbook of life course},
address = {New York},
publisher = {Springer},
pages = {23--49},
}