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Chan, L.M.: Library of Congress Classification as an online retrieval tool : potentials and limitations (1986) 0.01

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Source: Information technology and libraries. 5(1986), S.181-192
Theme: Klassifikationssysteme im Online-Retrieval

Chan, L.M.: Library of Congress class numbers in online catalog searching (1989) 0.00

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Theme: Klassifikationssysteme im Online-Retrieval