@article {letzepis2009outagechannel,
	title = {Outage analysis of the hybrid free-space optical and radio-frequency channel},
	journal = {IEEE Journal on Selected Areas in Communications},
	volume = {27},
	year = {2009},
	pages = {1709{\textendash}1719},
	publisher = {IEEE},
	issn = {0733-8716},
	doi = {10.1109/JSAC.2009.091220},
	url = {http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=49},
	author = {Nick Letzepis and Khoa D. Nguyen and Guill{\'e}n i F{\`a}bregas, Albert and W.G. Cowley}
}
