TY - JOUR T1 - The citation impact of collaboration between top institutions: A temporal analysis JO - Research Evaluation UR - https://doi.org/10.1093/reseval/rvv039 PY - 2015/12/31 AU - Gazni A AU - Thelwall M ED - DO - DOI: 10.1093/reseval/rvv039 PB - Oxford University Press (OUP) VL - 25 IS - 2 SP - 219 EP - 229 Y2 - 2025/07/28 ER -