@article{TUW-120562, author = {Retscher, G{\"u}nther and Zhang, Kefei and Zhang, Shubi and Wang, Yunjia}, title = {RFID and GNSS for Indoor and Outdoor Positioning - Two Different Case Studies}, journal = {European Journal of Navigation}, year = {2006}, volume = {4}, number = {5}, pages = {49--54} }