Stress and Managers Performance: Age-Related Changes in Psychophysiological Reactions to Cognitive Load. - Sergei A. Schapkin; Gabriele Freude; Udo Erdmann; Heinz Ruediger (HCI (13), 2007)

Neuronal Mechanisms of Working Memory Performance in Younger and Older Employees. - Sergei A. Schapkin; Gabriele Freude (HCI (23), 2014)

Towards a Continuous Method for Mental Workload Registration. - Thea Radüntz; Gabriele Freude (HCI (6), 2015)