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  • × type_ss:"el"
  • × author_ss:"Lewandowski, D."
  1. Lewandowski, D.; Mayr, P.: Exploring the academic invisible Web (2006) 0.00 
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  2. Lewandowski, D.: How can library materials be ranked in the OPAC? (2009) 0.00 
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  3. Schaer, P.; Mayr, P.; Sünkler, S.; Lewandowski, D.: How relevant is the long tail? : a relevance assessment study on million short (2016) 0.00 
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