@InProceedings{hansen2006wdh,
  title     = {When Do Heavy-Tail Distributions Help?},
  author    = {Hansen, N. and Gemperle, F. and Auger, A. and Koumoutsakos, P.},
  booktitle = {Parallel Problem Solving from Nature {PPSN IX}},
  editor    = {Runarsson, T. P. and others},
  series    = {Lecture Notes in Computer Science},
  volume    = {4193},
  pages     = {62--71},
  year      = {2006},
  publisher = {Springer}
}