Search results
European Journal of Operational Research > 1997 > 103 > 1 > 186-197
European Journal of Operational Research > 1997 > 99 > 1 > 126-135
European Journal of Operational Research > 1996 > 91 > 2 > 338-345
European Journal of Operational Research > 1997 > 103 > 1 > 186-197
European Journal of Operational Research > 1997 > 99 > 1 > 126-135
European Journal of Operational Research > 1996 > 91 > 2 > 338-345