Whiteley, J. P., Gavaghan, D. J., & Hahn, C. E. W. (1998). A mathematical evaluation of the multiple breath nitrogen washout (MBNW) technique and the multiple inert gas elimination technique (MIGET). Journal of Theoretical Biology, 194, 517–539.

Whiteley, J. P., et al. “A Mathematical Evaluation of the Multiple Breath Nitrogen Washout (MBNW) Technique and the Multiple Inert Gas Elimination Technique (MIGET).” Journal of Theoretical Biology, vol. 194, 1998, pp. 517–39.

Whiteley, J.P., D.J. Gavaghan, and C.E.W. Hahn. 1998. “A Mathematical Evaluation of the Multiple Breath Nitrogen Washout (MBNW) Technique and the Multiple Inert Gas Elimination Technique (MIGET).” Journal of Theoretical Biology 194: 517–39.