@book{50421,
	author = {Crussard, L.},
	title = {Exploitation des mines },
	editor = {Mame)},
	publisher = {O. Doin, },
	year = {1911 (},
	series = {Encyclopédie scientifique. Bibliothèque de mécanique appliquée et génie ; },
	address = {Paris : }
}