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Kessler, M.M.: Bibliographic coupling between scientific papers (1963)
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- Source
- American documentation. 14(1963), S.10-25
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Lipetz, B.A.: Improvement of the selectivity of citation indexes to science literature throught the inclusion of citation relationship indicators (1965)
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- Source
- American documentation. 16(1965), S.81-90
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Garfield, E.; Sher, I.H.: New factors in the evaluation of scientific literature literature through citation indexing (1963)
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- Source
- American documentation. 14(1963) no.3, S.195-201