000 00318nam a22001097a 4500
082 0 _a312
100 1 _aSpiegelman, Mortimer
245 1 0 _aIntroduction to demography
_cMortimer Spiegelman
260 _aCambridge :
_bHarvard University Press,
_c1968.
300 _axix, 514p. ;
_c22 cm.
650 4 _aStatistics of population
999 _c370507
_d370443