European Journal of Operational Research
European Journal of Operational Research > 1997 > 102 > 2 > 264-278
European Journal of Operational Research > 2002 > 143 > 1 > 94-114
European Journal of Operational Research > 2010 > 207 > 3 > 1280-1292
European Journal of Operational Research > 2014 > 238 > 1 > 122-129