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  • × year_i:[1990 TO 2000}
  • × theme_ss:"Internet"
  • × author_ss:"Stock, W.G."
  1. Stock, W.G.: Verkaufte Suchwörter, verkaufte Links : Retrieval nach Homepages optimiert? (1999) 0.00 
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    Source
    Password. 1999, H.11, S.21-24