Hengstenberg, R Former Department Neurophysiology of Insect Behavior, Max Planck Institute for Biological Cybernetics, Max Planck Society; Max Planck Institute for Biological Cybernetics, Max Planck Society;
Hengstenberg, R. (1971). Das Augenmuskelsystem der Stubenfliege Musca domestica I: Analyse der "clock-spikes" und ihrer Quellen. PhD Thesis, Eberhard-Karls-Universität, Tübingen, Germany.