Wilco G. ter Stal, J.-H. Beijert, G. de Bruin, J. van Gent, Franciska M. G. de Jong, Wessel Kraaij, Klaus Netter, G. Smart. Twenty-One: Cross-Language Disclosure and Retrieval of Multimedia Documents on Sustainable Development. Computer Networks, 30(13):1237-1248, 1998. [doi]
Abstract is missing.