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Holt, B.; Hartwick, L.: 'Quick, who painted fish?' : searching a picture database with the QBIC project at UC Davis (1994)
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Holt, B.; Hartwick, L.: Retrieving art images by image content : the UC Davis QBIC project (1994)
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Holt, B.; Hartwick, L.: Retrieving art images by image content : the UC Davis QBIC project (1995)
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