Frequency dissemination with a 86-km optical fibre for fundamental tests of physics O. Lopez, C. Daussy, C. Chardonnet, G. Santarelli and A. Amy-Klein Ann. Phys. Fr., 32 2-3 (2007) 187-189 Published online: 23 May 2008 DOI: 10.1051/anphys:2008039