TY - JOUR TI - Comparing the Validity of Prospective, Retrospective, and Official Onset for Different Offending Categories T2 - Journal of quantitative criminology VL - 21 IS - 2 EP - 147 AU - Kazemian, Lila A2 - Farrington, David PY - 2005 LA - Undetermined SP - 127 SN - 0748-4518 ER -