"89 F.H. Field, in MTP International Review of Science, Physical Chemistry Ser. 1,
Vol. 5, Butterworth, London, 1973, p. 133; G.P. Arsenault, in G.R. Waller (Ed.),
Biochemical Applications of Mass Spectrometry, Wiley-Interscience, New York, ..."
"18. G. H. B. Davies and E. N. McAllister, Ind. Eng. Chem. 22 (1930) 1326. 19.
M. R. Lipkin, C. C. Martin and S. S. Kurtz, Ind. Eng. Chem. Anal. Ed. 18 (1946)
376. 20. M. R. Lipkin and C. C. Martin, Ind. Eng. Chem. Anal. Ed. 19 (1947) 183.
21."