Discrete Applied Mathematics
Discrete Applied Mathematics > 2003 > 126 > 1 > 55-82
Discrete Applied Mathematics > 2003 > 129 > 2-3 > 305-318
Discrete Applied Mathematics > 2003 > 126 > 1 > 55-82
Discrete Applied Mathematics > 2003 > 129 > 2-3 > 305-318