TY - CONF T1 - To what extent does the citation advantage of collaboration depend on the citation counting system? JO - Proceedings of ISSI 2011 - 13th Conference of the International Society for Scientometrics and Informetrics PY - 2011/01/01 AU - Levitt JM AU - Thelwall M AU - Levitt M ED - VL - 1 SP - 398 EP - 408 Y2 - 2025/08/13 ER -