M. BEBBINGTON1, C. D. LAI1, D. N.P. MURTHY2, and R. ZITIKIS3
1Institute of Fundamental Sciences - Statistics, Massey University, Private Bag 11222, Palmerston North New Zealand 2Division of Mechanical Engineering, University of Queensland, Q 4072, Australia 3Department of Statistical and Actuarial Sciences, University of Western Ontario, London, Ontario N6A 5B7, Canada