1. Abajian, J. C., Shinozaki, T., Hanson, J. S. andTabakin, B. S. (1967) A computerized method for instantaneous and continous measurement of expired nitrogen. Aerospace Medical Research Laboratories. Tech. Report AMRL-TR-67-77, Wright-Patterson Air Force Base, Ohio.
2. Beck, J. V. andArnold, K. J. (1977)Parameter estimation in engineering and science. John Wiley & Sons, New York.
3. Becklake, M. R. (1952) A new index of the intrapulmonary mixture of inspired air.Thorax,7, 111–116.
4. Bouhuys, A. andLunding, G. (1959) Distribution of inspired gas in lungs.Physiol. Rev.,39, 731–750.
5. Bouhuys, A. (1977)The physiology of breathing. Grune & Stratton, New York.