00430nam a2200121Ia 4500008004100000040001700041082002400058100002000082245006800102260004500170300000900215650008400224190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta301.32bD288P  aDarwin, Charles 0aProblems of world populationbRede lecture 1958cCharles Darwin  aCambridgebAt the University Pressc1958  a40p.  aPopulation; Birth control; Population policy; Population density; Human ecology