Cityringen

1. Rabensteiner, Klaus / Notarianni, Sergio (2013): Cityringen - Extension of the Copenhagen Metro / Cityringen - Ausbau der Metro Kopenhagen. In: Geomechanics and Tunnelling, v. 6, n. 5 ( 2013), S. 542-550.

   https://doi.org/10.1002/geot.201300046

2. Eskesen, Søren Degn / Paulatto, Enrico / Stubbs, Jared (2014): Construction challenges for urban tunnelling - The Copenhagen Metro Circle Line. In: Geomechanics and Tunnelling, v. 7, n. 3 ( 2014), S. 223-229.

   https://doi.org/10.1002/geot.201400017

3. d'Angella, Paolo / Fronterrè, Michele (2019): Il Copenaghen Cityringen: la validazione del TVS. In: Strade e Autostrade, v. 23, n. 136 (Juli 2019), S. 108-109.
4. Saltmarsh, Russell / Martini, Neil: Extending Cityringen – the challenges involved. In: Proceedings of the Institution of Civil Engineers - Transport, S. 1-11.

   https://doi.org/10.1680/jtran.18.00026

5. Schoof, Jakob (2019): Kreisverkehr XXL: Cityring in Kopenhagen. Super-Sized Metro Loop: Cityringen in Copenhagen. In: structure, v. 5, n. 2 ( 2019), S. 4-5.