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)

Test battery for assessment of cognitive function in older employees: performance, brain processes, and cardiovascular "costs". - Sergei A. Schapkin; Xenija Weißbecker-Klaus (PETRA, 2015)