GEOMETRICAL AND STRUCTURAL RELATIONS IN THE RHOMBOHEDRAL PEROVSKITES.MEGAW HD; DARLINGTON CNW.1975; ACTA CRYSTALLOGR., A; DANEM.; DA. 1975; VOL. 31; NO 2; PP. 161-173; BIBL. 36 REF.Article

GENEALOGIE DES TYPES STRUCTURAUX. I. GENESE DES RESEAUX DE PLANSSMIRNOVA NL.1975; KRISTALLOGRAFIJA; S.S.S.R.; DA. 1975; VOL. 20; NO 3; PP. 524-532; BIBL. 19 REF.Article

DIRECTIONS SINGULIERES DES ONDES ELASTIQUES DANS DES CRISTAUX RHOMBIQUESSOTSKAYA KH N.1975; VESCI AKAD. NAVUK B.S.S.R., FIZ.-MAT. NAVUK; S.S.S.R.; DA. 1975; NO 5; PP. 72-81; BIBL. 5 REF.Article

INDEXING RHOMBOHEDRAL POWDER DIFFRACTION PATTERNS.FREVEL LK; BLUMER TP.1974; J. APPL. CRYSTALLOGR.; DENM.; DA. 1974; VOL. 7; NO 6; PP. 621-624; BIBL. 7 REF.Article

ON THE FORMATION OF RHOMBOHEDRAL STRUCTURES IN CADMIUM IODIDE CRYSTALS.UMA SHANKAR RAM.1975; Z. KRISTALLOGR.; DTSCH.; DA. 1975; VOL. 141; NO 5-6; PP. 412-421; ABS. ALLEM.; BIBL. 22 REF.Article

CONE DES DIRECTIONS SINGULIERES POUR LES ONDES ELASTIQUES DANS LES CRISTAUX RHOMBOEDRIQUESSOTSKAYA KH N; FEDOROV FI; KHLYSTOV SG et al.1975; VESCI AKAD. NAVUK B.S.S.R., FIZ.-MAT. NAVUK; S.S.S.R.; DA. 1975; NO 3; PP. 64-74; BIBL. 8 REF.Article

PROPOSED FLOATING-ZONE, IMMERSED-HEATER METHOD FOR THE GROWTH OF TRIGONAL SELENIUM SINGLE CRYSTALS.SWINEHART PR.1974; J. CRYST. GROWTH; NETHERL.; DA. 1974; VOL. 26; NO 2; PP. 317-318; BIBL. 7 REF.Article

THE MECHANISM OF FORMATION OF CERTAIN GROWTH TWINS OF THE PENETRATION TYPE.SENECHAL ML.1976; NEW. JB. MINERAL., MONATSH.; DTSCH.; DA. 1976; NO 11; PP. 518-524; BIBL. 8 REF.Article

LATTICE CONSTANTS A AND C OF TRIGONAL SELENIUM BETWEEN 85 AND 380 K.GROSSE R; SWOBODA H; TAUSEND A et al.1975; J. PHYS. C; G.B.; DA. 1975; VOL. 8; NO 21; PP. L445-L446; BIBL. 10 REF.Article

ELECTRONIC STRUCTURE OF TRIGONAL AND AMORPHOUS SE AND TE.JOANNOPOULOS JD; SCHLUTER M; COHEN ML et al.1975; PHYS. REV., B; U.S.A.; DA. 1975; VOL. 11; NO 6; PP. 2186-2199; BIBL. 17 REF.Article

NEWER INTERPRETATION OF THE PHOTOEMISSION SPECTRA OF AMORPHOUS AND TRIGONAL SE.SHEVCHIK NJ.1974; PHYS. REV. LETTERS; U.S.A.; DA. 1974; VOL. 33; NO 26; PP. 1572-1576; BIBL. 12 REF.Article

THE EFFECT OF SPIN-SPIN CONTRIBUTIONS TO THE ZERO FIELD SPLITTING OF CR³⁺ IN TRIGONAL SYMMETRYCHATTERJEE R; DIXON JM; LACROIX R et al.1973; PHYS. LETTERS, A; NETHERL.; DA. 1973; VOL. 43; NO 4; PP. 393-394; BIBL. 6 REF.Serial Issue

AN ACCURATE REFINEMENT OF THE BETA -RHOMBOHEDRAL BORON STRUCTURE.CALLMER B.1977; ACTA CRYSTALLOGR., B; DANEM.; DA. 1977; VOL. 33; NO 6; PP. 1951-1954; BIBL. 9 REF.Article

STRUCTURAL RELATIONSHIPS IN RHOMBOHEDRAL PEROVSKITES WITH R3C SYMMETRYBOGUSH AK; PAVLOV VI.1982; CRYST. RES. TECHNOL. (1979); ISSN 0232-1300; DDR; DA. 1982; VOL. 17; NO 5; PP. K45-K47; BIBL. 12 REF.Article

ABSORPTION OF ULTRASOUND IN TRIGONAL SELENIUM SINGLE CRYSTALS.GOBRECHT H; KERSTEN P.1975; SOLID STATE COMMUNIC.; G.B.; DA. 1975; VOL. 16; NO 6; PP. 773-774; BIBL. 6 REF.Article

A CALCULATION OF THE SURFACE ENERGY OF ALPHA -RHOMBOHEDRAL BORON.VEGA BOGGIO J; SCHWEITZ JA.1977; J. MATER. SCI.; G.B.; DA. 1977; VOL. 12; NO 9; PP. 1923-1926; BIBL. 17 REF.Article

LES PROJECTIONS STEREOGRAPHIQUES, GRAPHES DES TYPES DE SYMETRIE DES CRISTAUXYANULOV KP.1978; TRUDY INST. GEOL., SYKTYVKAR; SUN; DA. 1978; NO 27; PP. 113-117; BIBL. 3 REF.Article

A METHOD FOR THE DETERMINATION OF THE ELASTIC CONSTANTS FOR CRYSTALS WITH LOW TRIGONAL SYMMETRY.IR Y; CHUNG DY.1977; PHYS. STATUS SOLIDI, A; ALLEM.; DA. 1977; VOL. 43; NO 1; PP. 329-332; ABS. ALLEM.; BIBL. 6 REF.Article

STRUCTURAL PHASE TRANSITIONS IN CRYSTALS OF R3C SYMMETRYHATCH DM.1981; PHYS. REV. B; ISSN 0163-1829; USA; DA. 1981; VOL. 23; NO 5; PP. 2346-2349; BIBL. 23 REF.Article

METHODE D'INDEXATION RAPIDE DES DIAGRAMMES DE DIFFRACTION ELECTRONIQUE EN REFLEXION DE LA FACE (00.1) DE CRISTAUX HEXAGONAUX.BESSIERES J; HEIZMANN JJ; BARO R et al.1976; J. APPL. CRYSTALLOGR.; DENM.; DA. 1976; VOL. 9; NO 4; PP. 347-351; ABS. ANGL.; BIBL. 9 REF.Article

SPLITTING MECHANISMS FOR THE ORBITAL SINGLET 3FA₂ OF D² CONFIGURATION IN A MAGNETIC FIELD.LULEK T.1975; ACTA PHYS. POLON., A; POLOGNE; DA. 1975; VOL. 48; NO 5; PP. 657-668; BIBL. 9 REF.Article

DEUX PROGRAMMES CRISTALLOGRAPHIQUES POUR LA DETERMINATION DES CONFIGURATIONS ABSOLUES DES MOLECULES ET AFFINEMENT DES PARAMETRES ATOMIQUESCHEKHLOV AN; STRUCHKOV YU T; KITAJGORODSKIJ AI et al.1974; ZH. STRUKT. KHIM.; S.S.S.R.; DA. 1974; VOL. 15; NO 4; PP. 754-756; BIBL. 10 REF.Article

SEMIINVARIANTS IN SPACE GROUPS P312, P3₁12, P3₂12, P6, P6M2 AND P6C2HOVMOLLER S.1978; ACTA CRYSTALLOGR., A; DNK; DA. 1978; VOL. 34; NO 5; PP. 826-827; BIBL. 3 REF.Article

FORMATIONS OF RHOMBOHEDRAL BORON NITRIDE, AS REVEALED BY TEM-ELECTRON ENERGY LOSS SPECTROSCOPYMATSUI Y; SEKIKAWA Y; SATO T et al.1981; J. MATER. SCI.; ISSN 0022-2461; GBR; DA. 1981; VOL. 16; NO 4; PP. 1114-1116; BIBL. 6 REF.Article

A PREDICTION OF BIJVOET INTENSITY DIFFERENCES IN THE NONCENTROSYMMETRIC STRUCTURES OF SELENIUM AND TELLURIUMMCINTYRE GJ.1978; ACTA CRYSTALLOGR., A; DNK; DA. 1978; VOL. 34; NO 6; PP. 936-939; BIBL. 13 REF.Article