Diferencia entre revisiones de «Margraviato de Istria»

*[[Ellen Churchill Semple|Semple, Ellen Churchill]]. "[http://links.jstor.org/sici?sici=0004-5608%281915%295%3C27%3ATBBOTM%3E2.0.CO%3B2-4 The Barrier Boundary of the Mediterranean Basin and Its Northern Breaches as Factors in History."] ''Annals of the Association of American Geographers'', Vol. 5. (1915), pp 27–5927–59.