Quantum gravity phenomenology : achievements and challenges Liberati, Stefano 2011 - DESY EPflicht - frei zugänglich
Ultra high energy photons as probes of Lorentz symmetry violations in stringy space-time foam models Maccione, Luca Liberati, Stefano Sigl, Günter 2010 - DESY EPflicht - frei zugänglich
Ultrahigh-energy photons as probes of lorentz symmetry violations in stringy space-time foam models Maccione, Luca Liberati, Stefano Sigl, Günter 2010 - Forschungsinformationssystem der UHH
Lorentz violation - motivation and new constraints Liberati, Stefano 2009 - DESY EPflicht - frei zugänglich