@inproceedings{CHI-1989-Nakayama,
	author        = "Yasutomo Nakayama",
	booktitle     = "{Proceedings of the Seventh ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/67449.67523",
	pages         = "387--392",
	publisher     = "{ACM}",
	title         = "{Mathematical formula editor for CAI}",
	year          = 1989,
}