Principles and recommendations for a vital statistics system, revision 2 / Department of Economic and Social Affairs, Statistics Division. United Nations. Statistical Office. United Nations. Statistical Office. Principles and recommendations for a vital statistics system. Vital statistics. Statistical services. HA36 .U54 2001 312 UNP "ST/ESA/STAT/SER.M/19/Rev. 2." "United Nations publication sales no.: E.01.XVII.10"--T.p. verso. Rev. updated ed. of: Principles and recommendations for a vital statistics system. 1973. Includes bibliographical references. New York : United Nations, 2001. 2001. 2001 Text x, 176 p. ; eng