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  • × author_ss:"Barker, A.L."
  1. Barker, A.L.: Non-Boolean searching on commercial online systems : optimising use of Dialog TARGET and ESA/IRS QUESTQUORUM (1995) 8.52 
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  2. Barker, A.L.: DataStar Web : a comparison with 'classic' DataStar command language searching (1998) 8.52 
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