@article{Luo2013,
author = {Luo, L.},
title= {Paradigm shift in age-period-cohort analysis: a response to Yang and Land, O'Brien, Held and Riebler, and Fienberg},
year = {2013},
journal = {Demography},
volume = {50},
number = {6},
pages = {1985--1988},
}