@article {GonzaloCarlosSudharman2010,
	title = {Primary User Enters the Game: Performance of Dynamic Spectrum Leasing in Cognitive Radio Networks},
	journal = {IEEE Transactions on Wireless Communications},
	year = {2010},
	author = {Gonzalo V{\'a}zquez-Vilar and C. Mosquera and Sudhaman K. Jayaweera}
}
