1. Zur Validierung des Konstrukts des intellektuellen Veränderungspotentials [On validation of the construct of intellectual change potential];Beckmann,2001
2. Psychodiagnostik des schlußfolgernden Denkens [Psychodiagnosis of inferential thinking processes];Beckmann,1999
3. Human cognitive abilities––A survey of factor analytic studies;Carroll,1993
4. Different mental imagery abilities result in different regional cerebral blood flow activation patterns during cognitive tasks;Charlot;Neuropsychologia,1992
5. Intelligence, EEG, and evoked potentials;Deary,1993