@InProceedings{fournier1992b, author = {Alain Fournier and Atjeng S. Gunawan and Chris Romanzin}, title = {Common Illumination between Real and Computer Generated Scenes}, booktitle = {Proceedings of Graphics Interface~'93}, address = {Toronto, ON, Canada}, year = {1993}, month = may, pages = {254--262}, annote = {Also available as Technical Report TR-92-38 from the Department of Computer Science, University of British Columbia, Vancouver, BC, Canada} }