@article{TUW-121083, author = {Pany, Andrea and Wresnik, J{\"o}rg and B{\"o}hm, Johannes and Schuh, Harald}, title = {Optimum modeling of troposphere and clock parameters in VLBI; 18th EVGA Working Meeting}, journal = {Geowissenschaftliche Mitteilungen}, year = {2007}, volume = {Heft Nr. 79}, number = {Vienna, Austria, April 12-15}, pages = {135--140} }