Lighting & Setting up a Realistic Render with Vray and 3ds Max
Viz Tech Support for Companies and Artists: 3d: Creating customised IES web lights for vray or mental ray
6 Basics of Artificial Lights in Vray for Sketchup for great results
IES lights Settings / Read more here http://www.architecturedesign.tk/2015/04/sketchup-tutorial-vismat-vray- setting.html | Vray tutorials, Tutorial, 3d tutorial