WASET
Bera, S. , Mukherjee, I.. "A Mahalanobis Distance-based Diversification and Nelder-Mead Simplex Intensification Search Scheme for Continuous Ant Colony Optimization". World Academy of Science, Engineering and Technology, Open Science Index 45, International Journal of Mathematical and Computational Sciences (2010), 4(9), 1265 - 1271.