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Leydesdorff, L.: ¬The generation of aggregated journal-journal citation maps on the basis of the CD-ROM version of the Science Citation Index (1994)
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- Scientometrics. 31(1994) no.1, S.59-84
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Leydesdorff, L.: Theories of citation? (1999)
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- Scientometrics. 43(1998) no.1, S.5-25
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Leydesdorff, L.: Why words and co-word cannot map the development of the science (1997)
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- Journal of the American Society for Information Science. 48(1997) no.5, S.418-427