THEORIE PHENOMENOLOGIQUE DES TRANSITIONS DE PHASE NON POLAIRE-INCOMMENSURABLE-POLAIRE DU SELENIATE DE POTASSIUM K₂SEO₄SANNIKOV DG; LEVANYUK AP.1978; FIZ. TVERD. TELA; S.S.S.R.; DA. 1978; VOL. 20; NO 4; PP. 1005-1012; BIBL. 16 REF.Article

INFRARED AND RAMAN ACTIVITY OF SOFT MODES IN THE INCOMMENSURATE STRUCTUREDVORAK V; PETZELT J.1978; J. PHYS. C; GBR; DA. 1978; VOL. 11; NO 23; PP. 4827-4835; BIBL. 10 REF.Article

A MODEL OF AN INCOMMENSURATE-COMMENSURATE PHASE TRANSITIONDVORAK V; ISHIBASHI Y.1978; J. PHYS. SOC. JAP.; JPN; DA. 1978; VOL. 45; NO 3; PP. 775-780; BIBL. 14 REF.Article

THEORY OF THE INDUCTION OF INCOMMENSURATE CONDENSATIONS OF HARD MODES BY AN INCOMMENSURATE CONDENSATION OF THE SOFT MODES IN A SUBSTANCE LIKE K₂SEO₄AIZU K.1978; J. PHYS. SOC. JAP.; JPN; DA. 1978; VOL. 44; NO 5; PP. 1474-1482; BIBL. 7 REF.Article

DIFFUSION RAMAN AU PREMIER ORDRE DANS LES STRUCTURES INCOMMENSURABLESVETROV S YA.1980; OPT. I SPEKTROSK.; SUN; DA. 1980; VOL. 48; NO 1; PP. 58-61; BIBL. 9 REF.Article

LIGHT-SCATTERING STUDY OF THE NON-ZERO WAVE VECTOR INCOMMENSURATE SOFT MODE IN K₂SEO₄MASSA NE; ULLMAN FG; HARDY JR et al.1979; SOLID STATE COMMUN.; ISSN 0038-1098; USA; DA. 1979; VOL. 32; NO 11; PP. 1005-1008; BIBL. 4 REF.Article

SPECTROSCOPIC AND DIELECTRIC INVESTIGATIONS OF K₂SEO₄UNRUH HG; ELLER W; KIRF G et al.1979; PHYS. STATUS SOLIDI (A), APPL. RES.; ISSN 0031-8965; DDR; DA. 1979; VOL. 55; NO 1; PP. 173-180; ABS. GER; BIBL. 21 REF.Article

HEXAGONAL-ORTHORHOMBIC PHASE TRANSITION AND FERROELASTICITY IN K₂SO₄ AND K₂SEO₄.SHIOZAKI S; SAWADA A; ISHIBASHI Y et al.1977; J. PHYS. SOC. JAP.; JAP.; DA. 1977; VOL. 43; NO 4; PP. 1314-1319; BIBL. 12 REF.Article

RAMAN SCATTERING SPECTRA OF K₂SEO₄.WADA M; SAWADA A; ISHIBASHI Y et al.1977; J. PHYS. SOC. JAP.; JAP.; DA. 1977; VOL. 42; NO 4; PP. 1229-1234; BIBL. 13 REF.Article

FAR INFRARED AND MILLIMETRE DIELECTRIC RESPONSE OF INCOMMENSURATE AND FERROELECTRIC K₂SEO₄PETZELT J; KOZLOV GV; VOLKOV AA et al.1979; Z. PHYS. B; DEU; DA. 1979; VOL. 33; NO 4; PP. 369-379; BIBL. 23 REF.Article

ANHARMONIC PHONONS AND CENTRAL PEAKS AT STRUCTURAL PHASE TRANSITIONSFLEURY PA; LYONS KB.1979; SOLID STATE COMMUN.; ISSN 0038-1098; USA; DA. 1979; VOL. 32; NO 1; PP. 103-109; BIBL. 17 REF.Conference Paper

RAMAN SPECTRA OF ORTHORHOMBIC M₂SEO₄ (M=K, RB, CS) SINGLE CRYSTALS.TI SS; KETTLE SFA; RA NONO et al.1976; J. RAMAN. SPECTROSC.; NETHERL.; DA. 1976; VOL. 5; NO 4; PP. 325-338; BIBL. 7 REF.Article

ON THE RAMAN SPECTRUM OF A SINGLE CRYSTAL OF K₂SEO₄: CORRECTIONS TO EARLIER SPECTRA AND ASSIGNMENTS.CAVILLE C; FAWCETT V; LONG DA et al.1978; J. RAMAN SPECTROSC.; NETHERL.; DA. 1978; VOL. 7; NO 1; PP. 43-45; BIBL. 6 REF.Article