@Article{JGAA-427,
   author = {{Ahmad} {Biniaz} and {Prosenjit} {Bose} and {Ingo} {van Duijn} and {Anil} {Maheshwari} and {Michiel} {Smid}},
   title = {Faster Algorithms for the Minimum Red-Blue-Purple Spanning Graph Problem},
   journal = {Journal of Graph Algorithms and Applications},
   year = {2017},
   volume = {21},
   number = {4},
   pages = {527--546},
   doi = {10.7155/jgaa.00427}
}