00614nam a2200157Ia 4500008004100000020001800041040001700059082002900076110007600105245003800181260003500219300001800254440003200272500005400304650009800358190328s9999||||xx |||||||||||||| ||und||  a92-1-151184-4  aNITILcNITIL  221sta304.66609172bU58A  aUnited Nations. Department of International Economic and Social Affairs 0aAdolescent reproductive behaviour  aNew YorkbUnited Nationsc1989  av2. xi, 128p.  apopulation studies ; no.109  aContents: v.2. Evidence from developing countries  aDemographic surveys-United Nations; Fertility, Human-United Nations; Mortality-United Nations