@conference{19836, author = {Camillo Gentile and Fabien Valoit}, title = {A Raytracing Model for Wireless Propagation in Tunnels with Varying Cross Section}, year = {2012}, month = {2012-12-03}, publisher = {IEEE 2012 Global Telecommunications Conference, Anaheim, CA}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=911092}, language = {en}, }