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Dalitz, W.; Grötschel, M.; Lügger, J.: Neue Wege für die Fachinformation : am Beispiel der 'Mathematik' (1994)
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- DFN Mitteilungen. 3(1994) H.34, S.4-7
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Sperber, W.; Dalitz, W.: Portale, Search Engines and Math-Net (2000)
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- nfd Information - Wissenschaft und Praxis. 51(2000) H.6, S.359-363