@conference{Stil09l,
	address = {Honolulu, Hawai'i, U.S.A.},
	author = {Stiller, Burkhard},
	booktitle = {IEEE Globecom Workshops},
	howpublished = {1st International Workshop on Network Operation Cost Modeling (WNOCM)},
	month = {dec},
	number = {1},
	publisher = {IEEE},
	title = {Economic Traffic Management (ETM) ? An Approach to Underlay/Overlay Mappings ?},
	volume = {2009},
	year = {2009}
}