@book{bhlitem276352, title = {Mémoires de l'Académie royale des sciences, des lettres et des beaux-arts de Belgique }, volume = {t.49 (1890-1893)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection}, url = {https://www.biodiversitylibrary.org/item/276352}, note = {https://www.biodiversitylibrary.org/bibliography/104706}, publisher = {}, author = {Académie royale des sciences, des lettres et des beaux-arts de Belgique.}, year = {1893}, pages = {844}, }