00866nam a22002291 4500 1/20263 031022s1990 enk 0 1 eng d 0226432378 20851 DLC GR-PeUP 304.6'09 NA Keyfitz, Nathan. World population growth and aging : demographic trends in the late twentieth century / Nathan Keyfitz and Wilhelm Flieger Chicago : University of Chicago Press, 1990 viii, 608 p. : ill. ; 28 cm. Includes bibliographical references and index Population forecasting Statistical methods. Ageing Statistics. Population Statistics. Flieger, Wilhelm. INST UNIPILB MAIN 20040709 304.6'09 NA 00141608 00141608 LOAN 0 1 /webopac/covers/01/20851_0226432378.jpg