TY - JOUR A1 - Acosta, Enrique A1 - van Raalte, Alyson T1 - APC curvature plots: Displaying nonlinear age–period–cohort patterns on Lexis plots Y1 - 2019 DO - 10.4054/DemRes.2019.41.42 VL - 41 IS - 42 ER -