@book{73549,
	author = {Toynbee, Arnold Joseph },
	title = {La Civilisation à l'épreuve /},
	publisher = {Librairie Gallimard,},
	year = {1951.},
	address = {Paris;},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B11-08327.pdf}
}