@article {:1977:1523-0406:192,
	title = "Cartographic News",
	journal = "Cartography and Geographic Information Science",
	volume = "4",
	number = "2",
	year = "1977",
	abstract = "",
	pages = "192-192",
	url = "http://www.ingentaconnect.com/content/cagis/cagis/1977/00000004/00000002/art00010",
	doi = "doi:10.1559/152304077784080301"
}