@inproceedings{MacQueen67,
  author = {MacQueen, J. B.},
  booktitle = {Proc. of the fifth Berkeley Symposium on Mathematical Statistics and Probability},
  editor = {Cam, L. M. Le and Neyman, J.},
  interhash = {8d7d4dfe7d3a06b8c9c3c2bb7aa91e28},
  intrahash = {5dcdb8cd9fba78e0e791af619d61d66d},
  pages = {281-297},
  publisher = {University of California Press},
  title = {Some Methods for Classification and Analysis of MultiVariate Observations},
  volume = 1,
  year = 1967
}