@article {14443126, title = {{Parametric distance functions vs. nonparametric neural networks for estimating road travel distances}}, journal = {European Journal of Operational Research}, volume = {93}, year = {1996}, pages = {230{\textendash}243}, doi = {10.1016/0377-2217(96)00045-8}, author = {Ethem Alpaydin and I. Kuban Altinel and Necati Aras} }