Dimitris Fotakis Rasmus Pagh Peter Sanders Paul G. Spirakis Space Efficient Hash Tables with Worst Case Constant Access Time. 229-248 2005 38 Theory Comput. Syst. 2 http://dx.doi.org/10.1007/s00224-004-1195-x db/journals/mst/mst38.html#FotakisPSS05