Discrete Applied Mathematics
Discrete Applied Mathematics > 1996 > 70 > 1 > 1-21
Discrete Applied Mathematics > 2002 > 121 > 1-3 > 155-180
Discrete Applied Mathematics > 1996 > 70 > 1 > 1-21
Discrete Applied Mathematics > 2002 > 121 > 1-3 > 155-180