Long-term performance of the SwissQuantum quantum key distribution network in a field environment,
D Stucki, M Legré, F Buntschu, B Clausen, N Felber, N Gisin, L Henzen, P Junod, G Litzistorf, P Monbaron, L Monat, J-B Page, D Perroud, G Ribordy, A Rochas, S Robyr, J Tavares, R Thew, P Trinkler, S Ventura, R Voirol, N Walenta, H Zbinden,
New Journal of Physics 13, 123001 (2011)