C. Xiong, G. Y. Li, L. Lu, D.-Q. Feng, Z. Ding, and H Mitchell, “Spectrum trading for efficient spectrum utilization,” ICST Trans. Wireless Spectrum., vol. 01, no. 1, e1, Apr. 2014.

C. Xiong, G. Y. Li, L. Lu, D.-Q. Feng, Z. Ding, and H Mitchell, “Spectrum trading for efficient spectrum utilization,” ICST Trans. Wireless Spectrum., vol. 01, no. 1, e1, Apr. 2014.