TY - CHAP A1 - Keyfitz, Nathan T1 - Choice of function for mortality analysis: Effective forecasting depends on a minimum parameter representation Y1 - 1984 A3 - Vallin, J. A3 - Pollard, J.H. A3 - Heligman, L. T2 - Methodologies for the collection and analysis of mortality data: proceedings of a seminar at Dakar, Senegal, July 7-10, 1981 CY - Liege, Belgium PB - Ordina Editions SP - 225 EP - -243 ER -