Cross Language Retrieval with the Twenty-One system.

@inproceedings{kraaij-1997-cross, author = {Wessel Kraaij and Djoerd Hiemstra}, editor = {Ellen M. Voorhees and Donna K. Harman}, title = {{Cross Language Retrieval with the Twenty-One system}}, booktitle = {{Proceedings of The Sixth Text REtrieval Conference, TREC 1997, Gaithersburg, Maryland, USA, November 19-21, 1997}}, series = {NIST Special Publication}, volume = {500-240}, pages = {753--760}, publisher = {National Institute of Standards and Technology (NIST)}, year = {1997}, url = {http://trec.nist.gov/pubs/trec6/papers/twentyone.ps} }