5CHEKSTER O, CHAPOROV M, LONIS S P. Development of the Telecoms Power Systems in Russia (PTN is taken as an example) [C]. // Telescom 2000. Third International Tele- communications Energy Special Conference, Germany: [s. n. ], 2000:13-15.
6LIU Shi-feng, CHEN Rong. Construction of PTN Based Information Transmission System [C ]//2011 International Conference on Computer and Management, 2011: 1-4.