Dusit Niyato Ekram Hossain Long Le Competitive Spectrum Sharing and Pricing in Cognitive Wireless Mesh Networks. 1431-1435 2008 WCNC http://dx.doi.org/10.1109/WCNC.2008.257 conf/wcnc/2008 db/conf/wcnc/wcnc2008.html#NiyatoHL08