tember2002):727–44.
Bryant,John.“TheoriesofFertilityDeclineandtheEvidencefromDevelopmentIndicators.”PopulationandDevelopmentReview33,no.1(March2007):101–27.
BTS[1].(USBureauofTransportationStatistics).USAirCarrierSafetyData.
TotalFatalities.NationalTransportationStatistics.Table2-9.AccessedNovember24,2017.gapm.io/xbtsafat.
BTS[2].RevenuePassenger-Miles(TheNumberofPassengersandtheDistanceFlowninThousands(000)).T-100Segmentdata.AccessedNovember4,2017.gapm.io/xbtspass.
Caldwell,J.C.“ThreeFertilityCompromisesandTwoTransitions.”PopulationResearchandPolicyReview27,no.4(2008):427–46.gapm.io/xcaltfrt.
Carson,Rachel.SilentSpring.Boston:HoughtonMifflin,1962.
CAS.DatabaseCounter.AmericanChemicalSociety,2017.AccessedDecember3,2017.gapm.io/xcas17.
CDC[1].(CentersforDiseaseControlandPrevention).Taubenberger,JefferyK.,andDavidM.Morens.“1918Influenza:TheMotherofAllPandemics.”EmergingInfectiousDiseases12,no.1(January2006):15–22.gapm.io/xcdcsflu17.
CDC[2]
请关闭浏览器阅读模式后查看本章节，否则可能部分章节内容会丢失。
