@mastersthesis{   Angelopoulos93,
      Author      = {Nicos Angelopoulos},
      Title       = {Constraint-Logic Based Approach to Scheduling},
      School      = {Department of Computing, Imperial College},
      Year        = {1993},
      Institution = {Imperial College},
      Address     = {London, UK},
      Pbltype     = {thesis},
      Url         = {MScThesis.ps.gz}
      }