Global Illumination, Ambient Occlusion and Final Gather

http://wiki.bk.tudelft.nl/toi-pedia/MR_Rendering_an_interior_scene_with_artificial_lighting_(GI_and_FG)

http://userpages.umbc.edu/~bailey/Courses/Tutorials/Ext_Int_Lighting/Gi_Reminders.html

http://wiki.bk.tudelft.nl/toi-pedia/Mental_Ray_Ambient_Occlusion_tutorial

http://wiki.bk.tudelft.nl/toi-pedia/MR_Using_mia_exposure_simple#Exposure_control_and_File_textures