@Article{ter Stal_et_al:1998,
      AUTHOR = {ter Stal, W. G. and Beijert, J.-H. and de Bruin, G. and van Gent, J. and de Jong, Franciska and Kraaij, W. and Netter, Klaus and Smart, G.},
      TITLE = {Twenty-One: Cross-Language Disclosure and Retrieval of Multimedia Documents on Sustainable Development},
      YEAR = {1998},
      JOURNAL = {Computer Networks and ISDN Systems},
      VOLUME = {30},
      NUMBER = {13},
      PAGES = {1237-1248},
      URL = {ftp://lt-ftp.dfki.uni-sb.de/pub/papers/local/twentyone97.ps.gz ftp://lt-ftp.dfki.uni-sb.de/pub/papers/local/twentyone97.entry},
      ANNOTE = {COLIURL : Stal:1998:TOC.pdf Stal:1998:TOC.ps}
}