@inproceedings{hansen2009bbi,
  author={Hansen, N.},
  title={Benchmarking a {BI}-Population {CMA-ES} on the {BBOB}-2009 Function Testbed},
  booktitle={Workshop Proceedings of the {GECCO} Genetic and Evolutionary Computation Conference},
  year={2009},
  month = {July},
  publisher = {ACM},
  pages = {2389--2395}
}