K. Lamm, T. Mandl, и R. Koellex. Proceedings of the 10th cross-language evaluation forum conference on Multilingual information access evaluation: text retrieval experiments, стр. 538--543. Berlin, Heidelberg, Springer-Verlag, (2009)
Y. Hassan-Montero, и V. Herrero-Solana. Proceedings of Multidisciplinary Information Sciences and Technologies, InSciT2006, Merida, Spain, (25--28 October 2006)