@book{bhlitem24608, title = {Jornal de sciencias mathematicas, physicas e naturaes }, volume = {ser.2:t.2=no.6 (1890-1892)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/24608}, 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 = {1890}, pages = {88}, keywords = {Periodicals|Science}, }