Factorization of the Ashikhmin BRDF for Real-Time Rendering. - Mauro Steigleder; Michael D. McCool (J. Graphics, GPU, & Game Tools, 2002)

Generalized Stratified Sampling Using the Hilbert Curve. - Mauro Steigleder; Michael D. McCool (J. Graphics, GPU, & Game Tools, 2003)

Pencil Light Transport. - Mauro Steigleder (2005)