@book{13313, author = {Krämer, Bernd J. and Halang, Wolfgang A. and SpringerLink (Online service)}, title = {Contributions to Ubiquitous Computing}, publisher = {Springer-Verlag Berlin Heidelberg,}, year = {2007.}, address = {Berlin, Heidelberg :}, edition = {1a ed.}, url = {http://dx.doi.org/10.1007/978-3-540-44910-2} }