Discrete Applied Mathematics
Discrete Applied Mathematics > 1998 > 82 > 1-3 > 93-101
Discrete Applied Mathematics > 1998 > 87 > 1-3 > 117-137
Discrete Applied Mathematics > 1998 > 88 > 1-3 > 355-366
Discrete Applied Mathematics > 1998 > 88 > 1-3 > 167-180