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  1. Waltman, L.; Eck, N.J. van: Some comments on the question whether co-occurrence data should be normalized (2007) 9.18
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    Author
    Eck, N.J. van
  2. Eck, N.J. van; Waltman, L.: Appropriate similarity measures for author co-citation analysis (2008) 9.18
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    Author
    Eck, N.J. van
  3. Eck, N.J. van; Waltman, L.: How to normalize cooccurrence data? : an analysis of some well-known similarity measures (2009) 9.18
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    Author
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  4. Waltman, L.; Eck, N.J. van: ¬The relation between eigenfactor, audience factor, and influence weight (2010) 9.18
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  5. Eck, N.J. van; Waltman, L.; Dekker, R.; Berg, J. van den: ¬A comparison of two techniques for bibliometric mapping : multidimensional scaling and VOS (2010) 9.18
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  6. Waltman, L.; Eck, N.J. van; Raan, A.F.J. van: Universality of citation distributions revisited (2012) 9.18
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  7. Waltman, L.; Eck, N.J. van: ¬The inconsistency of the h-index : the case of web accessibility in Western European countries (2012) 9.18
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  8. Waltman, L.; Eck, N.J. van: ¬A new methodology for constructing a publication-level classification system of science : keyword maps in Google scholar citations (2012) 9.18
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  9. Waltman, L.; Calero-Medina, C.; Kosten, J.; Noyons, E.C.M.; Tijssen, R.J.W.; Eck, N.J. van; Leeuwen, T.N. van; Raan, A.F.J. van; Visser, M.S.; Wouters, P.: ¬The Leiden ranking 2011/2012 : data collection, indicators, and interpretation (2012) 9.18
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  10. Olensky, M.; Schmidt, M.; Eck, N.J. van: Evaluation of the citation matching algorithms of CWTS and iFQ in comparison to the Web of science (2016) 9.18
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  11. Colavizza, G.; Boyack, K.W.; Eck, N.J. van; Waltman, L.: ¬The closer the better : similarity of publication pairs at different cocitation levels (2018) 9.18
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