J. Barría, E. Scheihing, and D. Parra. HT (Doctoral Consortium / Late-breaking Results / Workshops), volume 1210 of CEUR Workshop Proceedings, CEUR-WS.org, (2014)
C. Navarro, N. Hitschfeld, and E. Scheihing. VISIGRAPP (Selected Papers), volume 458 of Communications in Computer and Information Science, page 36-49. Springer, (2013)