@book{48436,
	author = {Roscher, Wilhelm and Stieda, Wilhelm},
	title = {Économie industrielle.},
	publisher = {Marcel Giard,},
	year = {1921.},
	series = {a Bibliothèque internationale d'économie politique ; },
	address = {Paris :},
	edition = {Huitième èdition},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B13-08583.pdf}
}