1[1]Qian Lixin. The Great Development of Chinese Railways in 21st Century(Proceedings of 7th International Heavy Haul Conference)[Z]. Brisbane, Australia: IHHA, 2001,21-23.
2[2]Frank Richter. Heavy Haul Railroading in the USA, Circa 2001(Proceedings of 7th International Heavy Haul Conference)[Z]. Brisbane, Australia: IHHA, 2001,85-92.
3[3]Robert C Kull. ECP Brake Applications on Heavy Haul Railways (Proceedings of 7th International Heavy Haul Conference)[Z]. Brisbane, Australia: IHHA, 2001,525-532.