@article{TUW-209115, author = {Nafisi, Vahab and Madzak, Matthias and B{\"o}hm, Johannes and Ardalan, Alireza A. and Schuh, Harald}, title = {Ray-traced tropospheric delays in VLBI analysis}, journal = {Radio Science}, year = {2012}, volume = {Vol. 47}, pages = {1--17}, doi = {10.1029/2011RS004918} }