TY - CHAP A1 - Fienberg, S.E. A1 - Mason, W.M. T1 - Specification and implementation of age, period, and cohort models Y1 - 1985 DO - 10.1007/978-1-4613-8536-3_3 A3 - Mason, W.M. A3 - Fienberg, S.E. T2 - Cohort analysis in social research: Beyond the identification problem CY - New York PB - Springer ER -