Valentina Emilia Balas, Lakhmi C. Jain, Marius Mircea Balas: Soft Computing Applications - Proceedings of the 7th International Workshop Soft Computing Applications (SOFA 2016), Volume 2, August 24-26, 2016, Arad, Romania. Advances in Intelligent Systems and Computing 634, Springer 2018, ISBN 978-3-319-62523-2