@inbook{inbook, title = {{Introducing age, period and cohort effects}}, publisher = {{Routledge}}, url = {{https://www.routledge.com/9780429056819 }}, year = {{2021}}, month = {{1}}, author = {{Bell A}}, isbn = {{978-0-367-17443-9}}, note = {{Accessed on 2025/04/10}}}