Publications in collaboration with researchers from 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