Tibor BraunInformation Science and Scientometrics Research Unit (ISSRU) Institute of Inorganic and Analytical Chemistry P. O. Box 123 1443 Budapest Hungary P. O. Box 123 1443 Budapest Hungary
András SchubertInformation Science and Scientometrics Research Unit (ISSRU) Institute of Inorganic and Analytical Chemistry P. O. Box 123 1443 Budapest Hungary P. O. Box 123 1443 Budapest Hungary