@article {duchemin_bn_1993,
	title = {BN OPALINE : the map database in the Departement des Cartes et Plans de la Biblioth{\`e}que Nationale : history},
	journal = {European Research Libraries Cooperation},
	volume = {3},
	number = {1},
	year = {1993},
	pages = {23{\textendash}35},
	author = {Pierre-Yves Duchemin}
}
