@Article{JGAA-80,
   author = {{Adrian} {Dumitrescu} and {Sumanta} {Guha}},
   title = {Extreme Distances in Multicolored Point Sets},
   journal = {Journal of Graph Algorithms and Applications},
   year = {2004},
   volume = {8},
   number = {1},
   pages = {27--38},
   doi = {10.7155/jgaa.00080}
}