1. Cohort differences in tolerance of homosexuality: attitudinal change in Canada and the United States, 1981–2000;Andersen;Public Opinion Quarterly,2008
2. Political Action: Mass Participation in Five Western Societies;Barnes,1979
3. A Generational Model of Political Learning;Bartels;Electoral Studies,2014
4. Dynamics of life histories and generations research;Becker,1990
5. A pattern of generations and its consequences;Becker,1992