1. Blackman, R. B., Tukey, J. W.: The measurement of power spectra. Dover, New York 1959
2. Bronk, D. W., Ferguson, L. K., Margaria, R., Solandt, D. Y.: The activity of the cardiac sympathetic centers. Am. J. Physiol.119, 279 (1937)
3. Dittmar, K., Werz, M., Camerer, H., Langhorst, P.: Relations between discharge patterns of rhythmically active neurons in the reticular formation and simultaneously occurring rhythmic events in EEG, blood pressure and respiration. Pfl�gers Arch.339, R78 (1973)
4. Dittmar, K.: Aktivit�tsmuster reticul�rer Hirnstammneurone mit Beziehungen zu �nderungen des arteriellen Blutdrucks, des Interpleuraldrucks und des Synchronisationsgrades des EEGs. Thesis, Berlin 1977
5. Kezdi, P., Geller, E.: Baroreceptor control of postganglionic sympathetic nerve discharge. Am. J. Physiol.214, 427?435 (1968)