@book {le_rider_bibliotheque_1977, title = {La Biblioth{\`e}que nationale en 1976 : {\'e}tat pr{\'e}sent et perspectives}, year = {1977}, pages = {1 vol. (126 p.)}, publisher = {La Documentation fran{\c c}aise}, organization = {La Documentation fran{\c c}aise}, address = {Paris}, url = {https://gallica.bnf.fr/ark:/12148/bpt6k4976226}, author = {Georges Le Rider and {\'E}tienne Dennery} }