@book{bhlitem54858, title = {Jornal de sciencias mathematicas, physicas e naturaes }, volume = {t.12=no.45-48 (1887-1888)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/54858}, 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 = {1887}, pages = {318}, keywords = {Periodicals|Science}, }