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  • × theme_ss:"Retrievalstudien"
  • × theme_ss:"Retrievalsprachen"
  1. Barker, A.L.: Non-Boolean searching on commercial online systems : optimising use of Dialog TARGET and ESA/IRS QUESTQUORUM (1995) 0.00
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    Source
    Online information 95: Proceedings of the 19th International online information meeting, London, 5-7 December 1995. Ed.: D.I. Raitt u. B. Jeapes