"Electric locomotives : Reference List"(PDF), www.mobility.siemens.com, Siemens, Electric Double Locomotive DJ1 for China Railways CR, p.39, archived from the original(PDF) on 2012-07-22, retrieved 2012-06-29
"Electric locomotives : Reference List"(PDF), www.mobility.siemens.com, Siemens, Electric Double Locomotive DJ1 for China Railways CR, p.39, archived from the original(PDF) on 2012-07-22, retrieved 2012-06-29