@book {fierro_societe_1983, title = {La Soci{\'e}t{\'e} de g{\'e}ographie : 1821-1946}, series = {Hautes {\'e}tudes ; 52}, year = {1983}, publisher = {Droz ; Paris : H. Champion}, organization = {Droz ; Paris : H. Champion}, address = {Gen{\`e}ve}, author = {Alfred Fierro} }