@article{TUW-107283, author = {Kalliola, Kimmo and Laitinen, Heikki and Vainikainen, Pertti and Toeltsch, Martin and Laurila, Juha and Bonek, Ernst}, title = {3-D Double-Directional Radio Channel Characterisation for Urban Macrocellular Applications}, journal = {IEEE Transactions on Antennas and Propagation}, year = {2003}, volume = {Vol. 51}, number = {no. 11}, pages = {3122--3133}, url = {http://publik.tuwien.ac.at/files/pub-et_8012.pdf} }