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Sieverts, E.G.; Hofstede, M.: Software for information storage and retrieval tested, evaluated and compared : Pt.1: General introduction (1991) 0.02

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Source: Electronic library. 9(1991), S.145-153

Sieverts, E.G.; Figdor, J.; Bakker, S.; Hofstede, M.: Software for information storage and retrieval tested, evaluated and compared : Pt.3: End-user software (1992) 0.01

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Source: Electronic library. 10(1992), S.5-19

Sieverts, E.G.; Hofstede, M.; Haak, P.H.; Nieuwenhuysen, P.; Scheepsma, G.M.A.; Veeger, L.; Vis, G.C.: Software for information storage and retrieval tested, evaluated and compared : Pt. 2: Classical retrieval systems (1991) 0.01

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Source: Electronic library. 9(1991), S.301-316

Sieverts, E.G.; Hofstede, M.; Nieuwland, A.; Groeneveld, C.; Zwart, B. de: Software for information storage and retrieval tested, evaluated and compared : pt.6: various additional programs (1993) 0.01

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Source: Electronic library. 11(1993) no.2, S.73-92

Sieverts, E.G.; Hofstede, M.: Software for information storage and retrieval, evaluated and compared : pt.7: what to choose, or the purpose of it all (1994) 0.01

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Source: Electronic library. 12(1994) no.1, S.21-26

Sieverts, E.G.; Hofstede, M.; Groeniger, B.O.: Software for information storage and retrieval tested, evaluated and compared : pt.4: indexing and full-text retrieval programs (1992) 0.01

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Source: Electronic library. 10(1992) no.4, S.195-207

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