Creating the earth as a backdrop in Gravity. - Nathan Walster; Michael Blain (SIGGRAPH Talks, 2014)

Physically based shading in theory and practice. - Stephen Hill; Stephen McAuley; Alejandro Conty; Michal Drobot; Eric Heitz; Christophe Hery; Christopher D. Kulla; Jon Lanz; Junyi Ling; Nathan Walster; Feng Xie; Adam Micciulla; et al. (SIGGRAPH Courses, 2017)

Artist Friendly Physically Plausible Attenuation. - Maxime O. Masse; Nathan Walster (DigiPro, 2023)