@article{TUW-120802, author = {Retscher, G{\"u}nther}, title = {Investigations of Selected Systems for Indoor and Pedestrian Navigation}, journal = {{\"O}sterreichische Zeitschrift f{\"u}r Vermessung und Geoinformation (VGI), begutachteter Spezialband}, year = {2007}, volume = {95}, number = {2}, pages = {166--172}, url = {http://www.ovg.at/uploads/media/VGI_2007-2_15_Retscher.pdf} }