Kang-Whan Lee Yun Chen An Energy Effective Protocol for Clustering Ad Hoc Network. 117-121 2008 6 J. Inform. and Commun. Convergence Engineering 2 http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=E1ICAW_2008_v6n2_117 db/journals/jicce/jicce6.html#LeeC08