@inproceedings{approximationboundsforhierarchical,
  title = {Approximation Bounds for Hierarchical Clustering: Average Linkage, Bisecting K-means, and Local Search},
  author = {Benjamin Moseley and Joshua Wang},
  year = {2017},
  booktitle = {NeurIPS 2017 12},
  url = {http://papers.nips.cc/paper/6902-approximation-bounds-for-hierarchical-clustering-average-linkage-bisecting-k-means-and-local-search},
}