@article{TUW-119427, author = {Chmelina, Klaus and Kahmen, Heribert}, title = {Combined Evaluation of Geodetic and Geotechnical Data during Tunnel Excavation by Use of a Knowledge-Based System}, journal = {{\"O}sterreichische Zeitschrift f{\"u}r Vermessung und Geoinformation (VGI)}, year = {2003}, volume = {91}, number = {1}, pages = {85--91} }