Discrete Applied Mathematics
Discrete Applied Mathematics > 2005 > 146 > 1 > 27-42
Discrete Applied Mathematics > 2005 > 150 > 1-3 > 67-79
Discrete Applied Mathematics > 2005 > 146 > 1 > 27-42
Discrete Applied Mathematics > 2005 > 150 > 1-3 > 67-79