Retscher, G. (2007). Augmentation of Indoor Positioning Systems with a Barometric Pressure Sensor for Direct Altitude Determination in a Multi-storey Building. Cartography and Geographic Information Science, 34(4), 305–310. http://hdl.handle.net/20.500.12708/168913 ( reposiTUm)

Retscher, G. (2007). A Knowledge-based Kalman Filter for an Intelligent Pedestrian Navigation System. Survey Review, 39(306), 282–293. http://hdl.handle.net/20.500.12708/168914 ( reposiTUm)

Retscher, G., & Mok, E. (2007). Testing of Location Systems using WiFi in Indoor Environments. Coordinates, III(10), 6–11. http://hdl.handle.net/20.500.12708/168915 ( reposiTUm)

Retscher, G. (2007). Test and Integration of Location Sensors for a Multi-sensor Personal Navigatior. The Journal of Navigation, 60(1), 107–117. http://hdl.handle.net/20.500.12708/168878 ( reposiTUm)

Retscher, G., Moser, E., Vredeveld, D., Heberling, D., & Pamp, J. (2007). Performance and Accuracy Test of a WiFi Indoor Positioning System. Journal of Applied Geodesy, 1(2), 103–110. http://hdl.handle.net/20.500.12708/168881 ( reposiTUm)

Retscher, G. (2007). Investigations of Selected Systems for Indoor and Pedestrian Navigation. Österreichische Zeitschrift Für Vermessung Und Geoinformation (VGI), Begutachteter Spezialband, 95(2), 166–172. http://hdl.handle.net/20.500.12708/168880 ( reposiTUm)

Retscher, G., & Moser, E. (2007). Genauigkeits- und Leistungstest eines WLAN Indoor Positionierungssystems. Zeitschrift Für Geodäsie, Geoinformation Und Landmanagement (Zfv), 132(1), 4–10. http://hdl.handle.net/20.500.12708/168879 ( reposiTUm)

Retscher, G., & Thienelt, M. (2006). NAVIO - A Navigation Service of Pedestrians. Journal of Space Communication, GLOBAL NAVIGATION(9), 10. http://hdl.handle.net/20.500.12708/172223 ( reposiTUm)

Retscher, G. (2006). 3-D Location Determination in Multi-storey Buildings. European Journal of Navigation, 4(3), 49–54. http://hdl.handle.net/20.500.12708/172222 ( reposiTUm)

Retscher, G. (2006). NAVIO - Integration of GNSS with Other Sensors for Pedestrian Navigation. Location Magazine, 1(9–10). http://hdl.handle.net/20.500.12708/172241 ( reposiTUm)

Retscher, G., Thienelt, M., & Hiller, C. (2006). NAVIO - Ein Multisensorsystem für die Positionsbestimmung von Fußgängern. The Navigation View, Magazin Des Österreichischen Vereins Für Navigation (OVN), 6(II), 5–13. http://hdl.handle.net/20.500.12708/172240 ( reposiTUm)

Retscher, G., & Hiller, C. (2006). Test und Integration von Sensoren für die Positonsbestimmung in einem Fußgängernavigationssystem. Zeitschrift Für Geodäsie, Geoinformation Und Landmanagement (Zfv), 131(6), 345–351. http://hdl.handle.net/20.500.12708/172254 ( reposiTUm)

Gartner, G., Radoczky, V., & Retscher, G. (2005). Location technologies for pedestrian navigation. GIS Development, 9(4), 22–25. http://hdl.handle.net/20.500.12708/172172 ( reposiTUm)

Retscher, G., & Thienelt, M. (2004). NAVIO - A Navigation and Guidance Service for Pedestrians. Journal of Global Positioning Systems (Print Version), 3(1–2), 208–217. http://hdl.handle.net/20.500.12708/174588 ( reposiTUm)

Retscher, G., & Thienelt, M. (2006). Test and Integration of Location Sensors for Position Determination in a Pedestrian Navigation System. In IAIN/GNSS 2006 Conference (p. 6). http://hdl.handle.net/20.500.12708/41980 ( reposiTUm)

Retscher, G. (2006). Location Determination in Indoor Environments for Pedestrian Navigation. In IEEE/ION PLANS 2006 Conference (p. 9). http://hdl.handle.net/20.500.12708/41978 ( reposiTUm)

Retscher, G., & Thienelt, M. (2006). A Multi-sensor Personal Positioning System for Combined Indoor/Outdoor Environments. In H. Kahmen & A. Chrzanowski (Eds.), 3rd IAG Symposium on Geodesy for Geotechnical and Structural Engineering and 12th FIG Deformation Measurement Symposium (p. 8). http://hdl.handle.net/20.500.12708/41982 ( reposiTUm)

Retscher, G. (2005). An Intelligent Multi-sensor System for Pedestrian Navigation. In GNSS Hong Kong 2005 (p. 8). http://hdl.handle.net/20.500.12708/41909 ( reposiTUm)

Retscher, G. (2005). A Knowledge-based Kalman Filter Approach for an Intelligent Pedestrian Navigation System. In ION GNSS 2005 Conference (p. 11). ION GNSS 2005 Conference. http://hdl.handle.net/20.500.12708/41907 ( reposiTUm)

Retscher, G., & Thienelt, M. (2005). Evaluation and Test of a Digital Compass Module Employed for Heading Determination in a Pedestrian Navigation System. In A. Grün & H. Kahmen (Eds.), Proceedings Optical 3-D Measurement Techniques VII, Vol. II (pp. 389–394). http://hdl.handle.net/20.500.12708/41913 ( reposiTUm)

Retscher, G. (2005). 3-D Position Determination in a Multi-storey Building Using a Pedestrian Navigation System. In G. Gartner (Ed.), Geowissenschaftliche Mitteilungen, Schriftenreihe der Studienrichtung Vermessungswesen und Geoinformation, TU Wien (pp. 81–86). http://hdl.handle.net/20.500.12708/41908 ( reposiTUm)

Retscher, G. (2007). Multi-sensor Systems for Pedestrian Navigation and Guidance Services. In V. C. Tao & J. Li (Eds.), Advances in Mobile Mapping Technology, ISPRS Book Series, Vol. 4 (pp. 89–94). Taylor & Francis. http://hdl.handle.net/20.500.12708/25204 ( reposiTUm)

Retscher, G. (2007). Altitude Determination of Pedestrian in a Multi-storey Building. In G. Gartner, W. Cartwright, & M. P. Peterson (Eds.), Location Based Services and TeleCartography, Lecture Notes in Geoinformation and Carthography (pp. 119–130). Springer. http://hdl.handle.net/20.500.12708/25203 ( reposiTUm)

Gartner, G. (2006). Location Based Services and TeleCartography. In R. Mang & H. Häusler (Eds.), International Handbook Military Geography (pp. 526–535). Arbeitsgemeinschaft Truppendienst, Ministery of Defense, Austria. http://hdl.handle.net/20.500.12708/25193 ( reposiTUm)

Gartner, G., & Radoczky, V. (2006). About the role of cartographic presentation for wayfinding. In E. Stefanakis (Ed.), Geographic Hypermedia - Concepts and Systems (pp. 381–398). Springer. http://hdl.handle.net/20.500.12708/25196 ( reposiTUm)

Retscher, G. (2007). Research in the Field of Indoor and Pedestrian Navigation at the Research Group Engineering Geodesy at the Vienna University of Technology. 24. IUGG General Assembly, Perugia, EU. http://hdl.handle.net/20.500.12708/81978 ( reposiTUm)

Retscher, G. (2007). Aktuelle Forschung im Bereich Fußgängernavigation in Gebäuden und im städtischen Umfeld an der TU Wien. Geodätisches Kolloquium am Departement Geomatik an der HafenCity Universität Hamburg, Hamburg, EU. http://hdl.handle.net/20.500.12708/81977 ( reposiTUm)

Gartner, G. (2006). Cartographic LBS. Polytechnical University of HongKong, HongKong, China, Non-EU. http://hdl.handle.net/20.500.12708/81900 ( reposiTUm)

Gartner, G. (2006). From Mobile Internet Mapping towards Ubiquitous Cartography. anet Transfer Workshop “Benutzerakzeptanz für touristische Dienste,” Salzburg Research, Salzburg, Austria. http://hdl.handle.net/20.500.12708/81890 ( reposiTUm)

Gartner, G. (2006). Contemporary Cartography - From web to ubiquitous cartography. National Cartographic Conference GeoCart´ 2006, Auckland, Neuseeland, Non-EU. http://hdl.handle.net/20.500.12708/81885 ( reposiTUm)

Retscher, G. (2006). NAVIO - An Intelligent Multi-sensor System for Pedestrian Navigation in Combined Outdoor/Indoor Environments. Seminar of the School of Mechanical and Aerospace Engineering, Seoul National University, Seoul, South Korea, Non-EU. http://hdl.handle.net/20.500.12708/81864 ( reposiTUm)

Retscher, G. (2005). Das NAVIO Projekt. Vortragsreihe am Institut für Nachrichtentechnik und Hochfrequenztechnik der TU Wien, Vienna, Austria, Austria. http://hdl.handle.net/20.500.12708/81735 ( reposiTUm)

Retscher, G. (2004). Multisensorsysteme in der Navigation und für Location Based Services. Geodätisches Kolloquium an der Technischen Universität Berlin, Berlin, Germany, Austria. http://hdl.handle.net/20.500.12708/81578 ( reposiTUm)

Retscher, G. (2004). Multi-sensor Systems for Indoor and Pedestrian Navigation. Seminar of the Department of Geomatics, The University of Melbourne, Victoria, Australia, Austria. http://hdl.handle.net/20.500.12708/81579 ( reposiTUm)

Retscher, G. (2004). The NAVIO Project at the Vienna University of Technology, Austria - A Pedestrian Navigation System for Combined Indoor and Outdoor Environments. Seminar of the Department of Civil and Environmental Engineering and Geodetic Science, The Ohio State University, Columbus, Ohio, USA, Austria. http://hdl.handle.net/20.500.12708/81577 ( reposiTUm)