Using archetypoid analysis to classify institutions and faculties of economics. - Klaus Wohlrabe; Sabine Gralka (Scientometrics, 2020)

Efficiency of universities and research-focused institutions worldwide: The introduction of a new input indicator reflecting institutional staff numbers. - Lutz Bornmann; Sabine Gralka; Félix de Moya-Anegón; Klaus Wohlrabe (J. Informetrics, 2023)