@article {17437,
	title = {Tree visualization with tree-maps: 2-d space-filling approach},
	journal = {ACM Transactions on Graphics},
	volume = {11},
	year = {1992},
	month = {1992/01//},
	pages = {92 - 99},
	isbn = {0730-0301},
	doi = {10.1145/102377.115768},
	url = {http://doi.acm.org/10.1145/102377.115768},
	author = {Shneiderman, Ben}
}
