@inproceedings{STOC-1980-Yap,
	author        = "Chee-Keng Yap",
	booktitle     = "{Proceedings of the 12th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800141.804680",
	pages         = "318--325",
	publisher     = "{ACM}",
	title         = "{Space-time Tradeoffs and First Order Problems in a Model of Programs}",
	year          = 1980,
}