Publications en collaboration avec des chercheurs de Leiden University (7)

2011

  1. Is concentration of university research associated with better research performance?

    Journal of Informetrics, Vol. 5, Núm. 4, pp. 649-658

2010

  1. SJR and SNIP: two new journal metrics in Elsevier's Scopus

    Serials, Vol. 23, Núm. 3, pp. 215-221

2009

  1. Comparing bibliometric country-by-country rankings derived from the Web of Science and Scopus: The effect of poorly cited journals in oncology

    Journal of Information Science, Vol. 35, Núm. 2, pp. 244-256

  2. Expansion of scientific journal categories using reference analysis: How can it be done and does it make a difference?

    Scientometrics, Vol. 79, Núm. 3, pp. 473-490

2008

  1. Coverage and citation impact of oncological journals in the Web of Science and Scopus

    Journal of Informetrics, Vol. 2, Núm. 4, pp. 304-316

  2. Important factors when interpreting bibliometric rankings of world universities: An example from oncology

    Research Evaluation, Vol. 17, Núm. 1, pp. 71-81

  3. The actual citation impact of European oncological research

    European Journal of Cancer, Vol. 44, Núm. 2, pp. 228-236