@article {le_roy_ladurie_bibliotheque_1990,
	title = {Biblioth{\`e}que nationale et Biblioth{\`e}que de France},
	journal = {Revue de la Biblioth{\`e}que nationale},
	number = {35},
	year = {1990},
	pages = {2-7},
	author = {Emmanuel Le Roy Ladurie}
}
