@book{22640, author = {Günthner, Wolfgang. and SpringerLink (Online service)}, title = {Enhancing Cognitive Assistance Systems with Inertial Measurement Units}, publisher = {Springer Berlin Heidelberg,}, year = {2008.}, address = {Berlin, Heidelberg :}, url = {http://dx.doi.org/10.1007/978-3-540-76997-2} }