@inproceedings{Zeleznik:1996:SAI,
author = "Robert C. Zeleznik and Kenneth P. Herndon and John F. Hughes",
title = "SKETCH: An Interface for Sketching 3D Scenes",
year = "1996",
month = aug,
booktitle = "Proceedings of SIGGRAPH 96",
series = "Computer Graphics Proceedings, Annual Conference Series",
pages = "163--170",
}