Predictive Hierarchical Level of Detail Optimization
Ashton E. W. Mason. PhD Thesis, University of Cape Town, 1999.

Automatic hierarchical level of detail optimization in computer animation
Ashton E. W. Mason and Edwin H. Blake. Computer Graphics Forum, Volume 16, Issue 3, pages C191–C199, September 1997.

A Predictive Incremental Hierarchical Level of Detail Optimization Algorithm
Ashton E. W. Mason and Edwin H. Blake. Technical report CS99-04-00, University of Cape Town, 1999.

A Graphical Representation of the State Spaces of Hierarchical Level of Detail Scene Descriptions
Ashton E. W. Mason and Edwin H. Blake. IEEE Transactions on Visualization and Computer Graphics, Vol. 6, No. 4, Oct-Dec 2000.

A Hierarchical Level of Detail Optimization Algorithm for Frame Rate Control
Ashton E. W. Mason and Edwin H. Blake. Annual Conference of the South African Institute of Computer Scientists and Information Technologists (SAICSIT), 1998.

Hierarchical Level of Detail Optimization for Constant Frame Rate Rendering of Radiosity Scenes
S. Nirenstein, E. Blake, S. Winberg, A. Mason. South African Computer Journal 29: 32-40 (2002).