TY - BOOK TI - MortPak and MortPak-Lite upgrades: version 3.0 of the United Nations software packages for mortality measurement SN - 9211511917 U1 - 304.64 PY - 1990/// CY - New York PB - United Nations KW - Mortality KW - Developing countries N1 - At head of title: Department of International Economic and Social Affairs; "ST/ESA/SER.A/117."; "United Nations publication sales no. E.90.XIII.7"--T.p. verso; Includes bibliographical references (p. 78) ER -