Proton-proton collisions at ultra-relativistic energies in quark-gluon string modelL. Bravina, J. Bleibel, L. Malinina, M.S. Nilsson and E. ZabrodinEPJ Web of Conferences, 70 (2014) 00015DOI: https://doi.org/10.1051/epjconf/20147000015