00427nam a2200133Ia 4500008004100000040000900041082001700050100002400067245007000091260004100161300001800202650002100220654005200241211211s9999||||xx |||||||||||||| ||und||  cAKCL  a304.6bMAL-E  aMalthus, Thomas R.  3aAn Essay on the Principle of Population c/ by Thomas R.  Malthus  aIllinois  :bRichard D. Irwin,c1963  aXVIII, 290 p.  aSocial Sciences   aFactors Affecting Social Behaviour, Population