Hierarchical View-Dependent Structures for Interactive Scene Manipulation. - Normand Brière; Pierre Poulin (SIGGRAPH, 1996)

Adaptive Representation of Specular Light Flux. - Normand Brière; Pierre Poulin (Graphics Interface, 2000)

Adaptive Representation of Specular Light. - Normand Brière; Pierre Poulin (Comput. Graph. Forum, 2001)