Institution: | (1) Department of Geography, Norwegian School of Economics and Business Administration, Breiviksveien 40, N-5045 Bergen, Norway (e-mail: Roger.Bivand@nhh.no), NO;(2) Department of Applied Statistics, Institute of Mathematics and Statistics, University of Klagenfurt, Villacher Str. 161, A-9020 Klagenfurt, Austria (e-mail: albrecht.gebhardt@uni-klu.ac.at), AT |