Crystals of superconducting Baryonic tubes in the low energy limit of QCD at finite density Fabrizio Canfora, Marcela Lagos and Aldo Vera Eur. Phys. J. C, 80 8 (2020) 697 Published online: 03 August 2020 DOI: 10.1140/epjc/s10052-020-8275-1