1. P.L. Alger, Mathematics for Science and Engineering, McGraw-Hill, New York, 1969.
2. Arbei.tskreis, Automation in der Analyse, Talanta, 20, 811 (1973).
3. B. Baule, A.A. Benedetti-Pichler, Z. Anal. Chem. 74, 442 (1928).
4. W.P. Belk, F.W. Sunderman, Am. J. Clin. Pathol. 17, 854 (1947)
5. R.E. Berry, Am. J. Clin. Pathol. 47, 337 (1967).