1. May L., Spectroscopic Tricks (Plenum Press, Inc., New York, 1967), pp. 120 ff.
2. A Versatile Electronic Computer for Photoelectric Spectrochemical Analysis
3. Scarborough J. B., Numerical Methematical Analysis (Johns Hopkins Press, Baltimore, 1966), pp. 528–33.
4. Nachtrieb N. H., Principles and Practice of Spectrochemical Analysis (McGraw-Hill Book Co., Inc., New York, (1950), p. 153.
5. The use of computer techniques in emission and atomic absorption flame photometry