@Article{renk2009general,
	author = {Renk, Tobias and Jäkel, Holger and Kloeck, Clemens and Jondral, Friedrich K},
	title = {General expression of outage probability in cooperative networks},
	journal = {European Transactions on Telecommunications},
	volume = {20},
	number = {6},
	pages = {537–548},
	year = {2009},
}