RT Article T1 Relative Cohort Size and Age-Specific Crime Rates: An Age-Period-Relative-Cohort-Size Model JF Criminology VO 27 IS 1 SP 57 OP 78 A1 O'Brien, Robert LA English YR 1989 UL https://krimdok.uni-tuebingen.de/Record/1912683806 DO 10.1111/j.1745-9125.1989.tb00863.x