@book{bhlitem23036, title = {Jornal de sciencias mathematicas, physicas e naturaes }, volume = {ser.2:t.5=no.17-19 (1897-1898)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/23036}, note = {https://www.biodiversitylibrary.org/bibliography/4252}, publisher = {Lisboa, Academia Real das Sciencias de Lisboa, 1866-1927}, author = {Academia Real das Sciencias de Lisboa.}, year = {1897}, pages = {228}, keywords = {Periodicals|Science}, }