00505nam a2200133Ia 4500008004100000020001800041040001700059082002300076110007600099245010300175260003500278300001300313650004500326190328s9999||||xx |||||||||||||| ||und||  a92-1-151238-7  aNITILcNITIL  221sta304.62bU58C  aUnited Nations. Department of International Economic and Social Affairs 0aConcise report on the world population situation in 1991bwith a special emphasis on age structure  aNew YorkbUnited Nationsc1991  avi, 33p.  aPopulation; Population policy; Mortality