@InProceedings{streit1999a,
	author = {L. Streit and O. Veryovka and J. Buchanan},
	title = {Non-photorealistic Rendering Using an Adaptive Halftoning Technique},
	booktitle = {Proceedings of the Western Computer Graphics Symposium},
	address = {Banff, AB, Canada},
	year = {1999},
	month = {21--24~} # mar, pages = {37--45} 
}