Somvang Tipphavongxay และ Channarong Banmongkul. (2008) A program for estimating lightning outage rates of overhead transmission lines. Chulalongkorn University:ม.ป.ท.Somvang Tipphavongxay และ Channarong Banmongkul. 2008. A program for estimating lightning outage rates of overhead transmission lines. ม.ป.ท.:Chulalongkorn University;Somvang Tipphavongxay และ Channarong Banmongkul. A program for estimating lightning outage rates of overhead transmission lines. ม.ป.ท.:Chulalongkorn University, 2008. Print.