@inproceedings{STOC-1981-HawrusikVY,
	author        = "Frank M. Hawrusik and K. N. Venkataraman and Ann Yasuhara",
	booktitle     = "{Proceedings of the 13th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800076.802453",
	pages         = "19--27",
	publisher     = "{ACM}",
	title         = "{Classes of Functions for Computing on Binary Trees}",
	year          = 1981,
}