Bornmann, Lutz; Mutz, Rüdiger; Daniel, Hans-Dieter - In: Journal of Informetrics 4 (2010) 3, pp. 407-414
The h index is a widely used indicator to quantify an individual's scientific research output. But it has been … example to introduce two approaches providing additional information to the h index: (1) h2 lower, h2 center, and h2 upper are …), the area captured by the h index (h2 center), and the area of publications with the highest visibility (h2 upper). (2 …