000			00367nam a2200145Ia 4500
082			_a301.32 _bSPI
100			_aSpiegelman, Mortimer _9169210
245			_aintroduction to demography _cMortimer Spiegelman
260			_aChicago: _bSociety of Actuaries, _c1955.
300			_axxi, 309p.
500			_aHB
546			_aEng
650			_aDemography _9169211
942			_cBK
999			_c23391 _d23391