@book{58803,
	author = {Martel, Rene },
	title = {Les Frontières Orientales De L'allemagne /},
	publisher = {Librairie Des Sciences Politiques Et Sociales,},
	year = {1930.},
	series = {Les Grands Problemes},
	address = { Paris :},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B11-07009.pdf}
}