Pure Appl. Chem., 1994, Vol. 66, No. 3, pp. 571-576
doi:10.1351/pac199466030571
PHYSICAL AND BIOPHYSICAL CHEMISTRY DIVISION
COMMISSION ON MOLECULAR STRUCTURE AND SPECTROSCOPY
Symbols for fine and hyperfine structure parameters (IUPAC Recommendations 1994)
E. Hirota, J. M. Brown, J. T. Hougen, T. Shida and N. Hirota