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2. Acker, H., L�bbers, D. W.: Die Ver�nderung des Gewebesauerstoffdruckes im Glomus caroticum der Katze bei �nderung des arteriellen Sauerstoffdruckes [ $$P_{{\text{O}}_{\text{2}} } $$ (t)-Antwortkurve] und ihre Beeinflussung durch den Blutdruck. Nova Acta Leopoldina38, 277?286 (1973)
3. Acker, H., L�bbers, D. W., Durst, H.: Autoregulation of flow and oxygen pressure in the isolated hemoglobin-free perfused carotid body of the cat. Arzneimittel-Forsch. (Drug Res.)23, 1611 (1973)
4. Acker, H., Weigelt, H., L�bbers, D. W., Bingmann, D., Caspers, H.: Effect of changes in Ca2+ and K+ activity upon tissue $$P_{{\text{O}}_{\text{2}} } $$ and chemoreceptor activity of the cat carotid body. XXVI. Int. Congress of Physiol. Sciences.?I. Arterial Chemoreceptors?Srinagar/Indien (1974) (in press)
5. Acker, H., L�bbers, D. W.: The meaning of the tissue $$P_{{\text{O}}_{\text{2}} } $$ of the carotid body for the chemoreceptive process. In: The peripheral arterial chemoreceptors (M. J. Purves, ed.), pp. 325?343. London: Cambridge University Press 1975