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Barker, A.L.: Non-Boolean searching on commercial online systems : optimising use of Dialog TARGET and ESA/IRS QUESTQUORUM (1995) 0.01

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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

Barker, A.L.: DataStar Web : a comparison with 'classic' DataStar command language searching (1998) 0.00

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Source: Online and CD-ROM review. 22(1998) no.3, S.155-167

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