Jeschke, S., Wimmer, M., Schumann, H., & Purgathofer, W. (2005). Automatic Impostor Placement for Guaranteed Frame Rates and Low Memory Requirements. In
Proceedings of ACM SIGGRAPH 2005 Symposium on Interactive 3D Graphics and Games (pp. 103–110). ACM Press.
http://hdl.handle.net/20.500.12708/51098 ( reposiTUm)