@inproceedings{DAC-1978-AndonianT,
	acmid         = "803081",
	author        = "K. S. Andonian and S. Toida",
	booktitle     = "{Proceedings of the 15th Design Automation Conference}",
	pages         = "158--163",
	publisher     = "{ACM}",
	title         = "{Multisource illumination & shadowing}",
	year          = 1978,
}