00631nam a2200169Ia 4500001001100000005001700011008004300028020001500071050001100086245007900097260002600176300000700202500014300209650004700352650004700399999001500446000001644420251012174545.0        s1993    xx                  eng c  a921151251400aHB174110aThe sex and age distribution of the world populations : the 1992 revision   bUnited Nationsc1993   ap.  a1992 revision 397 p. : ill. ; 28 cm. "United Nations Publication Sales No. E.93.XIII.3"--T.p. verso "ST/ESA/SER.A/134"--T.p. verso AIY/MR  0aAge distribution (Demography)-xStatistics 0aSex distribution (Demography)-xStatistics  c6122d6122