@ARTICLE {20162,
author={J. Vieira and E.  Bolas and N.B.C. Carvalho},
doi={10.4236/wet.2014.51001},
journal={Wireless Engineering and Technology},
title={Opportunistic Usage of Maritime VHF Band—Deployment Challenges for a New Regulatory Framework},
year={2014},
month={January},
volume={05},
number={01},
pages={1-10},
ISSN={2152-2294}
}