@techreport{Geurts-Constraints,
  author	= {Geurts, Joost and van Ossenbruggen, Jacco and Hardman, Lynda},
  title		= {Application-Specific Constraints for Multimedia Presentation Geneneration},
  number	= {INS-R0107},
  month		= may,
  URL		= {http://www.cwi.nl/ftp/CWIreports/INS/INS-R0107.pdf},
  pdf		= {http://www.cwi.nl/ftp/CWIreports/INS/INS-R0107.pdf},
  year		= {2001},
  institution	= {CWI}
}