Discrete Applied Mathematics
Discrete Applied Mathematics > 1996 > 71 > 1-3 > 153-169
Discrete Applied Mathematics > 2004 > 134 > 1-3 > 213-237
Discrete Applied Mathematics > 2004 > 144 > 3 > 281-290
Discrete Applied Mathematics > 2006 > 154 > 16 > 2402-2410
Discrete Applied Mathematics > 2013 > 161 > 6 > 858-863