000			00331nam a2200109 4500
245			_aIntroduction to demography _cMortimer Spiegelman
100			_aSpiegelman, Mortimer
250			_arev. ed.
260			_aCambridge _bHarvard University Press _cc1955 [reprinted 1980]
300			_ax,514p.:ill.,tables.; 23cm.
082			_a301.32 _bSPI
999			_c43389 _d43389