@incollection{Mahmoud10,
author = {Samir F. Mahmoud},
title = {Wireless Transmission in Tunnels},
booktitle = {Mobile and Wireless Communications},
publisher = {IntechOpen},
address = {Rijeka},
year = {2010},
editor = {Salma Ait Fares and Fumiyuki Adachi},
chapter = {1},
doi = {10.5772/7700},
url = {https://doi.org/10.5772/7700}
}