Robert Ross. The map geometric transformation. IEEE Computer Graphics and Applications, 9(3):70-75, 1989. [doi]
@article{Ross89-4, title = {The map geometric transformation}, author = {Robert Ross}, year = {1989}, doi = {10.1109/38.28112}, url = {http://doi.ieeecomputersociety.org/10.1109/38.28112}, researchr = {https://researchr.org/publication/Ross89-4}, cites = {0}, citedby = {0}, journal = {IEEE Computer Graphics and Applications}, volume = {9}, number = {3}, pages = {70-75}, }