Ruzana Ishak Qingwen Xu Stephan Olariu Shaharuddin Salleh Hybrid training with binary search protocol for wireless sensor networks. 233-249 2007 3 Mobile Information Systems 3-4 http://iospress.metapress.com/content/k4678620t37x3503/ db/journals/mis/mis3.html#IshakXOS07