@book{43919,
	author = {Bettelheim, Charles },
	title = {Esquisse D'un Tableau Économique De L'europe /},
	publisher = {DOMAT,},
	year = {1948.},
	address = {Paris :},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B13-07653.pdf}
}