Nygren, B. (1975). The absorptions spectra of CR2+ - and Fe2+ ions in crystalline solids far infrared technique. Chalmers Tekniska Högskola.
Chicago Style (17th ed.) CitationNygren, Bertil. The Absorptions Spectra of CR2+ - and Fe2+ Ions in Crystalline Solids Far Infrared Technique. Göteborg: Chalmers Tekniska Högskola, 1975.
MLA (9th ed.) CitationNygren, Bertil. The Absorptions Spectra of CR2+ - and Fe2+ Ions in Crystalline Solids Far Infrared Technique. Chalmers Tekniska Högskola, 1975.
Warning: These citations may not always be 100% accurate.