@article{Acosta2019, author = {Acosta, Enrique and van Raalte, Alyson}, title= {APC curvature plots: Displaying nonlinear age–period–cohort patterns on Lexis plots}, year = {2019}, doi = {10.4054/DemRes.2019.41.42}, volume = {41}, number = {42}, pages = {1205--1234}, }