. . "Cavity resonators." . . "Benzene." . . "Propenes." . . "Lasers and Masers." . . "Sulfur heterocyclic compounds." . . "Alkanes." . . "Halogens." . . "Intensity." . . "Fluorine compounds." . . "Glass." . . . . . "LIQUID LASER RESEARCH"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Liquid lasers." . . "Organometallic compounds." . . "Plastics." . . "Cryogenics." . . "Methanes." . . "Oxygen." . . "Emissivity." . . "Organic oxygen compounds." . . "Sulfur." . . "Terbium compounds." . . "Europium compounds." . . "Chemical radicals." . . "Alkenes." . . "TRW SPACE TECHNOLOGY LABS REDONDO BEACH CA." . .