@inproceedings{TUW-119652, author = {Retscher, G{\"u}nther}, title = {Multi-sensor Systems for Pedestrian Navigation and Guidance Services}, booktitle = {4th Symposium on Mobile Mapping Technology}, year = {2004}, numpages = {7}, note = {talk: 4th Symposium on Mobile Mapping Technology, Kunming, China; 2004-03-29 -- 2004-03-31} }