00310nam a2200121 a 450000500170000008200190001710000270003624500440006326000280010730000230013563000150015863000150017320251202164240.0  a304.60321bPRE  aWilson, Christopherd_  aRoland PressatsDictionary of demography  aFrancebBlackwellc1985  a243 p.b24 cm.cHB  aDictionary  aDemography