@article {6869,
	title = {Excursion {\`a} Hornu et {\`a} Colfontaine, le 9 septembre 2000},
	journal = {Adoxa},
	volume = {32},
	year = {2001},
	month = {2001///},
	pages = {29 - 32},
	author = {J. Saintenoy-Simon and J. Duvigneaud}
}
