@article{10_37236_4847,
     author = {Mark K. Goldberg},
     title = {Clusters in a multigraph with elevated density},
     journal = {The electronic journal of combinatorics},
     year = {2007},
     volume = {14},
     doi = {10.37236/4847},
     zbl = {1110.05032},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/4847/}
}