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- [21] DETERMINATION OF SECONDARY IONIC EMISSION COEFFICIENTS FROM SECONDARY ION ENERGY-SPECTRA CAUSED BY BOMBARDMENT OF PBS AND LIF SINGLE-CRYSTALS BY HELIUM IONS WITH ENERGY FROM 20 TO 200 EV VESTNIK LENINGRADSKOGO UNIVERSITETA SERIYA FIZIKA KHIMIYA, 1975, (01): : 53 - 55
- [22] ABSORPTION AND EMISSION-SPECTRA INVESTIGATION AT ROOM-TEMPERATURE AND 77 K OF PURE AND THICK SINGLE-CRYSTALS OF 3 HETEROCYCLIC RELATED TO ANTHRACENE COMPOUNDS - THIOXANTHENE, THIANTHRENE AND PHENOXATHIIN MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1981, 71 (3-4): : 219 - 232