Simple, accurate time synchronization for wireless sensor networks. - Mihail L. Sichitiu; Chanchai Veerarittiphan (WCNC, 2003)

Tiny-sync: Tight time synchronization for wireless sensor networks. - Suyoung Yoon; Chanchai Veerarittiphan; Mihail L. Sichitiu (ACM Trans. Sens. Networks, 2007)