Afram, Andrew J.; Briedis, John; Fujiwara, Daisuke; Jacob, Robert J. K.; Cao, Caroline G. L.; Kahle, David (October 2007). "Evaluation of Semantic Fisheye Zooming to Provide Focus+Context". Proceedings of the Human Factors and Ergonomics Society Annual Meeting. 51 (5): 459–463. doi:10.1177/154193120705100507.