@TechReport{denotsem,

  author =   {M. Birna van Riemsdijk and John-Jules {\text{Ch}} Meyer and Frank S. de Boer },

  title =    {Semantics of Plan Revision in Intelligent Agents},

  institution =  {Utrecht University, Institute of Information and Computing Sciences},

  year =     "2003",

  note = "{UU-CS-2004-002}"

}