TY - JOUR T1 - JO - Scientometrics UR - http://dx.doi.org/10.1023/a:1025487826207 PY - 2003/01/01 AU - Thelwall M AU - Tang R ED - DO - DOI: 10.1023/a:1025487826207 PB - Springer Science and Business Media LLC VL - 58 IS - 1 SP - 155 EP - 181 Y2 - 2024/09/19 ER -