Kedar Nath Das, Kusum Deep, Millie Pant, Jagdish Chand Bansal, Atulya Nagar: Proceedings of Fourth International Conference on Soft Computing for Problem Solving - SocProS 2014, Volume 1, NIT Silchar, Silchar, Assam, India, December 27-29, 2014. Advances in Intelligent Systems and Computing 335, Springer 2015, ISBN 978-81-322-2216-3