@article{TUW-175527, author = {Liu, Gang-Jun and Zhang, Kefei and Wu, Falin and Densley, Liam and Retscher, G{\"u}nther}, title = {Characterisation of Current and Future GNSS Performance in Urban Canyons Using a High Quality 3-D Urban Model of Melbourne, Australia}, journal = {Journal of Applied Geodesy}, year = {2009}, volume = {3}, number = {1}, pages = {15--24} }