TY - JOUR A1 - Tuljapurkar, Shripad A1 - Edwards, Ryan D. T1 - Variance in death and its implications for modeling and forecasting mortality Y1 - 2011 UR - http://www.demographic-research.org/volumes/vol24/21/ JF - Demographic Research VL - 24 IS - 21 SP - 497 EP - -526 ER -