NYQUIST, Richard A. - PUTZIG, Curtis L. - LEUGERS, M. Anne. The handbook of infrared and Raman spectra of inorganic compounds and organic salts (a 4-volume set). Volume 2, Infrared and Raman spectral atlas of inorganic compounds and organic salts: Raman spectra. San Diego : Academic Press, c1997. 224 s. Available on Internet: <http://www.loc.gov/catdir/description/els032/96022175.html> <http://www.loc.gov/catdir/toc/els032/96022175.html> ISBN 0-12-523446-5.