1. Acker, H., Lübbers, D. W.: Local oxygen tension field in the Glomus caroticum of the cat and its change at changing arterial Po2. Pflügers Arch. ges. Physiol. 329, 136?155 (1971)
2. Aukland, H., Bower, B. F., Berliner, R. W.: Measurement of local blood flow with hydrogen gas. Circ. Res. 14, 164 (1964)
3. Axelsson, A.: The cochlear blood vessels in guinea pigs of different ages. Acta oto-laryng. 72, 172?181 (1971)
4. Baumgärtl, H.: Herstellung einer dünnen Ag-Schicht für Mikrobezugselektroden. Naturwissenschaften 61, 661 (1974)
5. Baumgärtl, H., Lübbers, D. W.: Platinum needle electrode for polarography measurement for oxygen and hydrogen. In: Oxygen Supply, (eds. Kessler, M., Bruley, D. F., Clark, L. C., Lübbers, D. W., Silver, I. A., Strauss, J.), pp. 130?136. München: Urban und Schwarzenberg 1973