@article{Swab_2018, title={Review of Patents and Cartographic Inventions: A New Perspective for Map History}, url={https://cartographicperspectives.org/index.php/journal/article/view/cp90-patents}, DOI={10.14714/CP90.1464}, number={90}, journal={Cartographic Perspectives}, author={Swab, John J.}, year={2018}, month={Jun.}, pages={110–112} }