Yi Yang Xinran Wang Sencun Zhu Guohong Cao SDAP: : a secure hop-by-Hop data aggregation protocol for sensor networks. 356-367 2006 conf/mobihoc/2006 MobiHoc http://doi.acm.org/10.1145/1132905.1132944 db/conf/mobihoc/mobihoc2006.html#YangWZ06