TY - JOUR A1 - Kohler, H.-P. A1 - Ortega, K.A. T1 - Tempo-adjusted period parity progression measures, fertility postponement and completed cohort fertility Y1 - 2002 DO - 10.4054/DemRes.2002.6.6 UR - http://www.demographic-research.org JF - Demographic Research VL - 6 IS - 6 SP - 92 EP - -144 ER -