000			00376nam a2200145Ia 4500
008			170101s1968 xx 000 0 und d
082			_a312 K53W
100			_aKEYFITZ, Nathan
245		0	_aWorld population: an analysis of vital data
260			_bChicago, U.S _c1968
300			_a672p
650			_aWORLD -- POPULATION
653			_aWORLD -- POPULATION
942			_2ddc _cB
999			_c32555 _d32555