Valentina Emilia Balas, Lakhmi C. Jain, Branko D. Kovacevic: Soft Computing Applications - Proceedings of the 6th International Workshop Soft Computing Applications, SOFA 2014, Volume 2, Timisoara, Romania, 24-26 July 2014. Advances in Intelligent Systems and Computing 357, Springer 2016, ISBN 978-3-319-18415-9