| 2007 | ||
|---|---|---|
| 2 | Ronald N. Kostoff, J. Antonio del Río, Héctor D. Cortés, Charles Smith, Andrew Smith, Caroline S. Wagner, Loet Leydesdorff, George Karypis, Guido Malpohl, Rene Tshiteya: Clustering methodologies for identifying country core competencies. J. Information Science 33(1): 21-40 (2007) | |
| 2004 | ||
| 1 | Ronald N. Kostoff, Michael F. Shlesinger, Rene Tshiteya: Nonlinear Dynamics Text Mining Using bibliometrics and Database Tomography. I. J. Bifurcation and Chaos 14(1): 61-92 (2004) | |