1. Al-Karaki, J. N., & Kamal, A. E. (2004). Routing techniques in wireless sensor networks: A survey. IEEE Wireless Communications, 11(6), 6–28.
2. Melodia, T., Vuran, M. C., & Pompili, D. (2005). The state of the art in cross-layer design for wireless sensor networks. In International workshop of the EuroNGI network of excellence (pp. 78–92), Springer.
3. Pantazis, N. A., Nikolidakis, S. A., & Vergados, D. D. (2013). Energy-efficient routing protocols in wireless sensor networks: A survey. IEEE Communications Surveys & Tutorials, 15(2), 551–591.
4. Son, S., Blum, B., He, T., & Stankovic, J. (2003). Igf: A state-free robust communication protocol for wireless sensor networks. Tech. Report Department. Comput. Sci. Univ. Virginia.
5. Füßler, H., Widmer, J., Käsemann, M., Mauve, M., & Hartenstein, H. (2003). Contention-based forwarding for mobile ad hoc networks. Ad Hoc Networks, 1(4), 351–369.