@inproceedings{HeLaMaNiSt99,
	author = {Martin Hellebrandt and Frank Lambrecht and Rudolf Mathar and Thomas Niessen and Reiner Starke},
	title = "Frequency allocation and linear programming",
	pages = "617-621",
	booktitle = "{IEEE} VTC",
	address = {Houston},
	year = 1999,
	hsb = {RWTH-CONV-223534},
	}