S. Gunasekaran B. Venkatesh B. S. D. Sagar Fractal Characterization Of BPN Weights Evolution. 139-145 2004 14 Int. J. Neural Syst. 2 http://dx.doi.org/10.1142/S0129065704001929 db/journals/ijns/ijns14.html#GunasekaranVS04