@inproceedings{HT-1989-MarshallI,
	author        = "Catherine C. Marshall and Peggy M. Irish",
	booktitle     = "{Proceedings of the Second Conference on Hypertext}",
	cdrom         = "HT1989/P015.pdf",
	doi           = "10.1145/74224.74226",
	isbn          = "0-89791-339-6",
	pages         = "15--26",
	publisher     = "{ACM}",
	title         = "{Guided Tours and On-Line Presentations: How Authors Make Existing Hypertext Intelligible for Readers}",
	year          = 1989,
}