[2]R.S.Schfield,“The impact of scarcity and plenty on population change in England,”i nR.I.Rotberg and T.K.Rabb(eds.),Huger and History:The Impact of ChangingFoodProductionandSociety(CambridgeUniversityPress,1983),p.79.
译著
[1]迪特·海因英希:《中苏走向同盟的艰难历程》,张文武等译,新华出版社,2001,第76页
[2]M.Polo,The Travels of Marco Polo,trans.by William Marsden(Hertfordshire: Cumberland House,1997),pp.55,58.