European Journal of Operational Research
European Journal of Operational Research > 1998 > 106 > 1 > 45-56
European Journal of Operational Research > 1999 > 118 > 3 > 429-449
European Journal of Operational Research > 2001 > 129 > 1 > 105-115
European Journal of Operational Research > 2005 > 167 > 2 > 336-348
European Journal of Operational Research > 2011 > 214 > 2 > 393-402
European Journal of Operational Research > 2016 > 251 > 3 > 814-829