TY - JOUR T1 - National scientific performance evolution patterns: Retrenchment, successful expansion, or overextension JO - Journal of the Association for Information Science and Technology UR - http://dx.doi.org/10.1002/asi.23969 PY - 2017/11/17 AU - Thelwall M AU - Levitt JM ED - DO - DOI: 10.1002/asi.23969 PB - Wiley VL - 69 IS - 5 SP - 720 EP - 727 Y2 - 2024/12/28 ER -