Manuscript: Long-Term Stability Analysis Towards < 10-14 Level for a Highly Compact POP Rb Cell Atomic Clock Journal: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control (T-UFFC) Uploaded by: Nil Almat Affiliation: Laboratoire Temps-Fréquence, Institut de Physique, Université de Neuchâtel, Avenue de Bellevaux 51, 2000 Neuchâtel, Switzerland Contact: nil.almat@unine.ch, gaetano.mileti@unine.ch Upload date: 09.09.2019