PACS:33.80.−b, 33.20.−t (all) DOI:10.1070/PU1974v017n03ABEH004145 URL: https://ufn.ru/en/articles/1974/3/k/ Citation: Belikova T P, Sviridenkov É A, Suchkov A F "Ultrahigh-Sensitivity High-Speed Laser Spectrocopsy of Radicals and Molecules" Sov. Phys. Usp.17 441–442 (1974)