TY - RPRT A1 - Vaupel, J. A1 - Canudas-Romo, V. T1 - Decomposing change in life expectancy: a bouquet of formulas in honour of Nathan Keyfitz’s 90th birthday Y1 - 2002 UR - http://www.demogr.mpg.de/papers/working/wp-2002-042.pdf PB - Max Planck Institute for Demographic research CY - Rostock IS - MPIDR Working Paper; WP-2002-042 ER -