@InProceedings{heidrich2000a,
	author = {Wolfgang Heidrich and Katja Daubert and Jan Kautz and Hans-Peter Seidel},
	title = {Illuminating Micro Geometry Based on Precomputed Visibility},
	booktitle = {SIGGRAPH 2000 Conference Proceedings},
	organization = {ACM SIGGRAPH},
	address = {New Orleans, LA, USA},
	year = {2000},
	month = {23--28~} # jul, pages = {455--464},
	note = {Published as Computer Graphics Proceedings, Annual Conference Series, 2000} 
}