@Article{JGAA-64,
   author = {{David} {Eppstein}},
   title = {Small Maximal Independent Sets and Faster Exact Graph Coloring},
   journal = {Journal of Graph Algorithms and Applications},
   year = {2003},
   volume = {7},
   number = {2},
   pages = {131--140},
   doi = {10.7155/jgaa.00064}
}