Tritos Ngampitipan และ Auttakit Chatrabhuti. (2014) Rigorous bounds on greybody factors for various types of black holes. Chulalongkorn University:ม.ป.ท.Tritos Ngampitipan และ Auttakit Chatrabhuti. 2014. Rigorous bounds on greybody factors for various types of black holes. ม.ป.ท.:Chulalongkorn University;Tritos Ngampitipan และ Auttakit Chatrabhuti. Rigorous bounds on greybody factors for various types of black holes. ม.ป.ท.:Chulalongkorn University, 2014. Print.