Ute Claussen. Real Time Phong Shading. In Richard L. Grimsdale, Arie E. Kaufman, editors, Rendering, Ray Tracing and Visualization Systems (Eurographics'90 Workshop). pages 29-37, Springer, 1990. [doi]
@inproceedings{Claussen90-0, title = {Real Time Phong Shading}, author = {Ute Claussen}, year = {1990}, doi = {10.2312/EGGH/EGGH90/029-037}, url = {http://dx.doi.org/10.2312/EGGH/EGGH90/029-037}, researchr = {https://researchr.org/publication/Claussen90-0}, cites = {0}, citedby = {0}, pages = {29-37}, booktitle = {Rendering, Ray Tracing and Visualization Systems (Eurographics'90 Workshop)}, editor = {Richard L. Grimsdale and Arie E. Kaufman}, publisher = {Springer}, isbn = {3-540-54291-4}, }