Sauvola, J. (1997). Document analysis techniques and system components with applications in image retrieval. Oulun yliopisto.
Chicago-referens (17:e uppl.)Sauvola, Jaakko. Document Analysis Techniques and System Components with Applications in Image Retrieval. Oulu: Oulun yliopisto, 1997.
MLA-referens (8:e uppl.)Sauvola, Jaakko. Document Analysis Techniques and System Components with Applications in Image Retrieval. Oulun yliopisto, 1997.
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