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- lcshs%3a%20information systems%22 2
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Wellisch, H.H.: ¬The cybernetics of bibliographic control : toward a theory of document retrieval systems (1980)
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Wellisch, H.H.: ¬A new classification of the world's languages (1982)
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- Source
- Universal classification I: subject analysis and ordering systems. Proc. of the 4th Int. Study Conf. on Classification research, Augsburg, 28.6.-2.7.1982. Ed.: I. Dahlberg