questions about the light path node - CG Cookie | Learn Blender, Online Tutorials and Feedback
Simulating Subsurface Scattering in Cycles using the Ray Length output in the Light Path node | Blender Cycles: Materials and Textures Cookbook - Third Edition
Light Path Node: Is Emission Ray? - Materials and Textures - Blender Artists Community
Light-Path Camera Ray Eevee - Blender Development Discussion - Blender Artists Community
Light Paths — Blender Manual
questions about the light path node - CG Cookie | Learn Blender, Online Tutorials and Feedback