[Letter: Luminescence of pyrimidine and pyrazine, excited in the vacuum ultraviolet region of the spectrum].
D011719:Pyrazines; D011743:Pyrimidines; D013050:Spectrometry, Fluorescence
D011719:Pyrazines; D011743:Pyrimidines
O liuminestsentsii pirimidina i pirazina, vozbuzhdaemoĭ v vakuumnoĭ ul'trafioletovoĭ oblasti spektra