1. Downing, S. E.: Autonomic influences on cardiac function in systemic hypoxia, p. 208. Basel-New York: Karger 1966.
2. Heisig, N.: Z. ges. exp. Med. 142, 162 (1967).
3. Heisig, N., Siemssen, S.: New aspects on the microcirculation of the exorine pankreas. 6the Europ. Conf. Microcirculation, Aalborg 1970, p. 129. Basel: Karger 1971.
4. Köhler, E.: Herz-Kreislauf 12 (1972).
5. Smith, G. U.: The influence of beta-adrenergic blocking drugs on paltelet aggregation. Vlthe Europ. Conf. Mikrocirkulation, Aalborg 1970. Basel: Karger 1971.