@article{journals/bit/NichollLLW83,
	title = {On the X-Y Convex Hull of a Set of X-Y Polygons.},
	author = {Tina M. Nicholl and D. T. Lee and Yuh-Zen Liao and Chak-Kuen Wong},
	journal = {BIT},
	number = {4},
	pages = {456-471},
	url = {http://dblp.uni-trier.de/db/journals/bit/bit23.html#NichollLLW83},
	volume = {23},
	year = {1983},
	biburl = {http://www.bibsonomy.org/bibtex/2d69dcdd7ee1130d887c1257dc4ac634b/dblp},
	description = {dblp},
	date = {2006-07-26},
	keywords = {dblp }
}