Sauer, Stefan ; Herrmann, E. ; Kaiser, Walter (2004):
Sleep deprivation in honey bees.
In: Journal of sleep research, 13, pp. 145-152. [Article]

Sauer, Stefan ; Kinkelin, M. ; Herrmann, E. ; Kaiser, Walter (2003):
The dynamics of sleep-like behaviour in honey bees.
In: Journal of comparative physiology / A, 189, pp. 599-607. [Article]

Sauer, Stefan ; Happel, U. ; Neubecker, R. ; Menna-Barreto, L. ; Herrmann, E. ; Kaiser, W. (1999):
Ontogeny of the circadian rest-activity cycle in honey bees kept in isolation.
In: Göttingen Neurobiology Conference <27, 1999, Göttingen>: Proceedings.Vol. II.Hrsg.:N. Elsner, U. Eysel. Stuttgart (u.a.): Thieme, 1999. S. 241 (Proceedings of the 1st Göttingen Conference of the German Neuroscience Society), [Conference or Workshop Item]

Sauer, Stefan ; Herrmann, E. ; Kaiser, W. (1999):
The effect of forced activity on a behavioural sleep sign in honey bees.
In: Sleep research online, 2, p. 217. [Article]

Sauer, Stefan ; Herrmann, E. ; Kaiser, W. (1998):
Covariation of behavioural sleep signs and resting respiration in honey bees.
In: Journal of sleep research. 7 (1998), Suppl. 2, S. 240, [Article]

Sauer, Stefan ; Herrmann, E. ; Kaiser, W. (1998):
The temporal occurrence of antennal motility during sleep in honey bees can be described by a non-stationary Poisson process.
In: Göttingen Neurobiology Conference <26, 1998, Göttingen>: Proceedings. Hrsg.: N. Elsner (u.a.) Vol. 2, S. 266. - Stuttgart (u.a.): thieme, 1998, Stuttgart, New York, Thieme, [Conference or Workshop Item]

Keppler, H. ; Herrmann, E. (1961):
Spezielle Anpressdruckmessungen an Hochdruck-Flachformmaschinen. (Publisher's Version)
Darmstadt, Institut für Druckmaschinen und Druckverfahren der Technischen Hochschule Darmstadt, DOI: 10.25534/tuprints-00014076,
[Report]