. "Railway Gazette" . "The Railway Gazette" . . "2018" . . "Railway Gazette International" . . "''Railway Gazette''" . . . . "0373-5346" . . "1835" . . "11137" . . . . . "Cover, April 2020" . . . . "Railway Magazine" . . "Railway Gazette International" . . "Railway Times" . . . "150" .