@incollection{TUW-103370, author = {Bonek, Ernst}, title = {Tunnels, Corridors, and other special environments}, booktitle = {COST Action 231: Digital mobile radio towards future generation systems}, year = {1999}, editor = {Damosso, E. and Correira, L.}, pages = {190--207}, publisher = {European Union Publications}, address = {Br{\"u}ssel}, isbn = {9282854167} }