
Perry, H.: Musical bumps : indexing musical terms (1989)
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Perry, S.C.: File access techniques (1992)
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Perry, A.: ¬The PACLink Project at the State University of New York : leveraging collections for the future (1992)
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Perry, S.L.: ¬The MLA data base as a source of film criticism (1992)
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Perry, S.: Networked record sharing : the CURL bibliographic database and beyond (1993)
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Fugmann, R.: Obstacles to progress in mechanized subject access and the necessity of a paradigm change (2000)
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¬The UDC in mechanized subject information retrieval (1972)
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Körner, H.G.: Short and flexible generic codes for mechanized information retrieval (1965)
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Bristol, R.P.: Control of subject information : can it be mechanized? (1950)
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Scibor, E.: Some remarks on the future desired development of UDC from the viewpoint of mechanized information retrieval (1971)
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