@ARTICLE {9639,
author={G. H. Han and X. J. Jiang and A. Q. Qian and J. R. Rodrigues and L. C. Cheng},
doi={10.1155/2014/415415},
journal={Scientific World Journal, The},
title={A Comparative Study of Routing Protocols of Heterogeneous Wireless Sensor Networks},
year={2014},
month={June},
volume={2014},
number={Article ID 415415},
pages={11 pages-.},
ISSN={2356-6140}
}