Thermodynamic measurement of the sound velocity of a Bose gas across the Bose-Einstein condensation - Fritsch, A. R.; Tavares, P. E. S.; Vivanco, F. A. J.; Telles, Gustavo Deczka; Bagnato, Vanderlei Salvador; Henn, Emanuel Alves de Lima (International Conference on Atomic Physics - ICAP, 2018)