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Strzalkowski, T.: Robust text processing in automated information retrieval (1994) 0.01

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Footnote: Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.317-322.

Perez-Carballo, J.; Strzalkowski, T.: Natural language information retrieval : progress report (2000) 0.01

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