@book{bhlitem54625, title = {Bijdragen tot de Natuurkundige Wetenschappen, Amsterdam }, volume = {6}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/54625}, note = {https://www.biodiversitylibrary.org/bibliography/16155}, publisher = {Amsterdam, }, author = {Amsterdam Natuurkundige Wetenschappen.}, year = {1831}, pages = {656}, }