Open Source Systems: Towards Robust Practices 13th IFIP WG 2.13 International Conference, OSS 2017, Buenos Aires, Argentina, May 22-23, 2017, Proceedings - Balaguer, Federico.; Di Cosmo, Roberto.; Garrido, Alejandra.; Kon, Fabio.; Robles, Gregorio.; Zacchiroli, Stefano. (IFIP Advances in Information and Communication Technology,, 2017)