000			00397nam a2200145Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
082			_a312 _bKEY
100			_aKeyfitz, Nathan
245			_aIntroduction to the Mathematics of Population
260			_bAddison - Wesley Publication company, _c1968. _aLondon:
300			_a450p.; _c21cm
650			_aPopulation
942			_2ddc _cSR
999			_c40697 _d40697