@inproceedings{diversity07,
	  author    = {Chris Greenhalgh and
	               Steve Benford and
	               Adam Drozd and
	               Martin Flintham and
	               Alastair Hampshire and
	               Leif Oppermann and
	               Keir Smith and
	               Christoph von Tycowicz},
	  title     = {Addressing Mobile Phone Diversity in Ubicomp Experience
	               Development},
	  booktitle = {Ubicomp},
	  year      = {2007},
	  pages     = {447-464},
	  ee        = {http://dx.doi.org/10.1007/978-3-540-74853-3_26},
	  crossref  = {DBLP:conf/huc/2007},
	  bibsource = {DBLP, http://dblp.uni-trier.de}
	}

	@proceedings{DBLP:conf/huc/2007,
	  editor    = {John Krumm and
	               Gregory D. Abowd and
	               Aruna Seneviratne and
	               Thomas Strang},
	  title     = {UbiComp 2007: Ubiquitous Computing, 9th International Conference,
	               UbiComp 2007, Innsbruck, Austria, September 16-19, 2007,
	               Proceedings},
	  booktitle = {UbiComp},
	  publisher = {Springer},
	  series    = {Lecture Notes in Computer Science},
	  volume    = {4717},
	  year      = {2007},
	  isbn      = {978-3-540-74852-6},
	  bibsource = {DBLP, http://dblp.uni-trier.de}
	}