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D. Mitsotakis, New Zealand E-mail address: dmitsot@gmail.com URL: http://dmitsot.googlepages.com/ D. Dutykh: LAMA, UMR 5127 CNRS, Université Savoie Mont Blanc, Campus Scientifique , F-73376 Le Bourget-du-Lac Cedex, France E-mail address: Denys.Dutykh@univ-savoie.fr URL: http://www.denys-dutykh, Statistics and Operations Research, vol.6140