@article{Huffman_2018, title={The Power of Appearances}, url={https://cartographicperspectives.org/index.php/journal/article/view/cp90-pcc}, DOI={10.14714/CP90.1485}, number={90}, journal={Cartographic Perspectives}, author={Huffman, Daniel P.}, year={2018}, month={Jul.}, pages={71–81} }