1. Bates, D.V.; Macklem, P.T.; Christie, R.V. Pulmonary emphysema. Philadelphia: W.B. Saunders Co.; 1971.
2. Buohuys, A. Respiratory dead space. In: Fenn, W.O.; Rahn, H., eds. Handbook of Physiology. Section 3: Respiration, Vol. I. Washington, D.C.: Am. Physiol. Soc.; 1964: pp. 699–714.
3. Cerretelli, P.; DiPrampero, P.E. Gas exchange in exercise. In: Fishman, A.P., ed. Handbook of Physiology, Section 3: The Respiratory System, Vol. IV. Washington, D.C.: Am. Physiol. Soc.; 1987: pp. 297–307.
4. Cherniak, R.M.; Cherniak, L. Respiration in health and disease. Philadelphia: W.B. Saunders Co.; 1983.
5. Chilton, A.B.; Stacey, R.W. A mathematical analysis of carbon dioxide respiration in man. Bull. Math. Biophysics. 14; 1952.