Barsha, J., and Hibbert, H., J. Am. Chem. Soc.58, 1006 (1936).
2.
Herzberg, G., "Molecular Spectra and Molecular Structure," New York, Prentice Hall, 1939; Barnes, R.B., Gore, R.C., Liddell, U., and Williams, V.Z., "Infrared Spectroscopy, Industrial Applications and Bibliography," New York, Reinhold, 1944; Faraday Society, "Application of Infrared Spectra to Chemical Problems, A General Discussion," London , Gurney and Jack-son, 1945.
3.
Herzog, R.O. , and Laski, G., Z. physik. Chem.121, 136 (1926 ); Stair, R., and Coblentz, W.W., J. Research Natl. Bur. Standards15, 295 (1935) ; Rowen, J.W., Hunt, C.M., and Plyler, E.K., TEXTILE RESEARCH JOURNAL17, 504 (1947).
4.
Karrer, P., and Escher, E., Helv. Chim. Acta19, 1192 (1936).
5.
Rowen, J. W., private communication.
6.
Steele, R., and Pacsu, E., TEXTILE RESEARCH JOURNAL19, 771 (1949) (this issue).