@inproceedings{TUW-223301, author = {Madzak, Matthias and Nafisi, Vahab and B{\"o}hm, Johannes and Schuh, Harald}, title = {Universal Time from VLBI Intensives with Ray-traced delays}, booktitle = {IVS 2012 General Meeting Proceedings}, year = {2013}, pages = {246--250}, publisher = {National Aeronautics and Space Administration (NASA)} }