@book{liu_ning_2007, title={Security for wireless sensor networks}, ISBN={9780387327235}, publisher={New York: Springer}, author={Liu, D.-G. and Ning, P.}, year={2007} }
 @inbook{zhu_yao_liu_setia_jajodia_2005, title={Efficient security mechanisms for overlay multicast-based content distribution}, volume={3531}, ISBN={3540262237}, booktitle={Applied cryptography and network security: Third international conference, ACNS 2005, New York, NY, USA, June 7-10, 2005: Proceedings (Lecture notes in computer science; 3531)}, publisher={Berlin; New York: Springer}, author={Zhu, S. C. and Yao, C. and Liu, D. G. and Setia, S. and Jajodia, S.}, editor={J. Ioannidis, A. Keromytis and Yung, M.Editors}, year={2005}, pages={40–55} }