References
- Lilly J. C., Andersson T. F., Hervey J. P. The Nitrogen meter. National Research Council. 1943, CUR-CAM, Rep. No. 299
- Lundin L. G. Nitrogen Elimination during Oxygen breathing. Acta physiol. Scandinav. 1953; 30(Suppl. 111)130
- Fowler W. S. Rapid infrared Gas Analyzer. Rev. Scient. Instruments 1949; 20: 175