Search (9 results, page 1 of 1)

  1. Moed, H.F.; Leeuwen, T.N. van; Reedijk, J.: ¬A new classification system to describe the ageing of scientific journals and their impact factors (1998) 9.36
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    Author
    Leeuwen, T.N. van
  2. Costas, R.; Bordons, M.; Leeuwen, T.N. van; Raan, A.F.J. van: Scaling rules in the science system : Influence of field-specific citation characteristics on the impact of individual researchers (2009) 9.36
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    Author
    Leeuwen, T.N. van
  3. Costas, R.; Leeuwen, T.N. van; Raan, A.F.J. van: Is scientific literature subject to a 'Sell-By-Date'? : a general methodology to analyze the 'durability' of scientific documents (2010) 9.36
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    Author
    Leeuwen, T.N. van
  4. Costas, R.; Leeuwen, T.N. van; Bordons, M.: ¬A bibliometric classificatory approach for the study and assessment of research performance at the individual level : the effects of age on productivity and impact (2010) 9.36
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    Author
    Leeuwen, T.N. van
  5. Calero Medina, C.M.; Leeuwen, T.N. van: Seed journal citation network maps : a method based on network theory (2012) 9.36
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    Author
    Leeuwen, T.N. van
  6. Costas, R.; Leeuwen, T.N. van: Approaching the "reward triangle" : general analysis of the presence of funding acknowledgments and "peer interactive communication" in scientific publications (2012) 9.36
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    Author
    Leeuwen, T.N. van
  7. 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) 9.36
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    Author
    Leeuwen, T.N. van
  8. Costas, R.; Leeuwen, T.N. van; Bordons, M.: Referencing patterns of individual researchers : do top scientists rely on more extensive information sources? (2012) 9.36
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    Leeuwen, T.N. van
  9. Leeuwen, T.N. van; Tatum, C.; Wouters, P.F: Exploring possibilities to use bibliometric data to monitor gold open access publishing at the national level (2018) 9.36
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    Leeuwen, T.N. van