M.  Zhong, Coggeshall, D., Ghaneie, E. G., Pope, T., Rivera, M. A., Georgiopoulos, M., and Anagnostopoulos, G. C., ?Gap-Based Estimation: Choosing the smoothing parameters for Probabilistic and General Regression Neural Networks?, in WCCI 2006, Vancouver, Canada, 2006.

M.  Zhong, Coggeshall, D., Georgiopoulos, M., Anagnostopoulos, G. C., Mollaghasemi, M., and Richie, S., ?Gap-Based Estimation: Choosing the Smoothing Parameters for Probabilistic and General Regression Neural Networks?, Proceedings of the 2006 IEEE-INNS-ENNS International Joint Conference on Neural Networks, pp. 1870?1877, 2006.