Jens Bruér, Ivan Maggio-Aprile, Nathan Jenkins, Zoran Ristić, Andreas Erb, Christophe Berthod, Øystein Fischer, Christoph Renner: Revisiting the vortex-core tunnelling spectroscopy in YBa2Cu3O7â^'\^I? The Author(s) SN  - 2016Nature Communications: 7. http://dx.doi.org/10.1038/ncomms11139