@inproceedings{1991-Bommel-DBOptimEvol,
  author		= "Bommel, P. van and Weide, Th.P. van der",
  title			= "{Towards Database Optimization by Evolution}",
  booktitle		= "{Proceedings of the Computing Science in the Netherlands Conference (CSN91)}",
  editor		= "Goor, A.J. van de",
  month			= "November",
  year			= "1991",
  code			= "icis.91-15",
  research_group	= "iris",
  pages			= "109--123",
  class			= "Conference"
}