@L03641@ which occurs essentially only during the @I03255@ of a substance by electromagnetic radiation.
PAC, 1984, 56, 231. (Nomenclature, symbols, units and their usage in spectrochemical analysis-Part VI: molecular luminescence spectroscopy
) on page 233 [Terms
PAC, 1994, 66, 2513. (Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)
) on page 2519 [Terms