@ARTICLE {17668,
author={S. T. Tyagi and S. T. Tanwar and N. K. Kumar and J. R. Rodrigues},
doi={10.1016/j.pmcj.2015.01.005},
journal={Pervasive and Mobile Computing},
title={Cognitive radio-based clustering for opportunistic shared spectrum access to enhance lifetime of wireless sensor network},
year={2015},
month={September},
volume={22},
number={September},
pages={90-112},
ISSN={1574-1192}
}