ON THE APPLICATION OF PHASE RELATIONSHIPS TO COMPLEX STRUCTURES. VIII. AN EXTENSION OF THE MAGIC-INTEGER APPROACH.DECLERCQ JP; GERMAIN G; WOOLFSON MM et al.1975; ACTA CRYSTALLOGR., A; DANEM.; DA. 1975; VOL. 31; NO 3; PP. 367-372; BIBL. 4 REF.Article

GEOMETRIC SOURCES OF REDUNDANCY IN INTENSITY DATA AND THEIR USE FOR PHASE DETERMINATION.BRICOGNE G.1974; ACTA CRYSTALLOGR., A; DANEM.; DA. 1974; VOL. 30; NO 3; PP. 395-405; BIBL. 12 REF.Article

A NOTE ON THE PROBABILITY DISTRIBUTION OF PHASES IN A NON-CENTROSYMMETRIC CRYSTAL WITH A DEGREE OF CENTROSYMMETRY. II. THE CASE OF A CRYSTAL WITH TYPE-II DEGREE OF CENTROSYMMETRY.PARTHASARATHY S; PARTHASARATHI V.1976; ACTA CRYSTALLOGR., A; DENM.; DA. 1976; VOL. 32; NO 1; PP. 57-59; BIBL. 7 REF.Article

COMMENTS ON MULTIPLE DIFFRACTION OF X-RAYS AND THE PHASE PROBLEM BY R. COLELLA.POST B; COLELLA R.1975; ACTA CRYSTALLOGR., A; DANEM.; DA. 1975; VOL. 31; NO 1; PP. 153-155; BIBL. 7 REF.Article

USE OF NEGATIVE QUARTET COSINE INVARIANTS AS A PHASING FIGURE OF MERIT: NQEST.DE TITTA GT; EDMONDS JW; LANGS DA et al.1975; ACTA CRYSTALLOGR., A; DANEM.; DA. 1975; VOL. 31; NO 4; PP. 472-479; BIBL. 20 REF.Article

ON THE IDENTITY AND ESTIMATION OF THOSE COSINE INVARIANTS, COS(PHI _M+PHI _N+PHI _P+PHI _Q) WHICH ARE PROBABLY NEGATIVE.HAUPTMAN H.1974; ACTA CRYSTALLOGR., A; DANEM.; DA. 1974; VOL. 30; NO 4; PP. 472-476; BIBL. 10 REF.Article

A NOTE ON THE PROBABILITY DISTRIBUTION OF PHASES IN A NON-CENTROSYMMETRIC CRYSTAL WITH A DEGREE OF CENTROSYMMETRY.PARTHASARATHI V; PARTHASARATHY S.1974; ACTA CRYSTALLOGR., A; DANEM.; DA. 1974; VOL. 30; NO 4; PP. 574-576; BIBL. 4 REF.Article

INEQUALITIES, MATRICES, DETERMINANTS. COVARIANCE MATRICES MAXIMUM DETERMINANT RULE. APPLICATIONS.TSOUCARIS G.sdIN: DIRECT METHODS CRYSTALLOGR. NORTH ATL. TREATY ORGAN. ADV. STUDY INST.; ERICE, SICILY; 1974; S.L.; DA. S.D.; PP. J1-J27; BIBL. 18 REF.Conference Paper

RELATIONSHIPS BETWEEN PHASE RELATIONSHIPS.VITERBO D.sdIN: DIRECT METHODS CRYSTALLOGR. NORTH ATL. TREATY ORGAN. ADV. STUDY INST.; ERICE, SICILY; 1974; S.L.; DA. S.D.; PP. F1-F34; BIBL. 13 REF.Conference Paper

THE COSINE INVARIANTS AND SEMIINVARIANTS. II. APPLICATION OF CALCULATED COSINE INVARIANTS IN PHASE DETERMINATION.DUAX W; WEEKS C; HAUPTMAN H et al.sdIN: DIRECT METHODS CRYSTALLOGR. NORTH ATL. TREATY ORGAN. ADV. STUDY INST.; ERICE, SICILY; 1974; S.L.; DA. S.D.; PP. H39-H66; BIBL. 10 REF.Conference Paper

A MATRIX APPROACH TO THE PHASE PROBLEM.MAIN P.sdIN: DIRECT METHODS CRYSTALLOGR. NORTH ATL. TREATY ORGAN. ADV. STUDY INST.; ERICE, SICILY; 1974; S.L.; DA. S.D.; PP. K1-K17; BIBL. 12 REF.Conference Paper

STRENGTHENING OF THE SIGMA ₁ RELATIONSHIP: A QUARTET METHOD.GIACOVAZZO C.1975; ACTA CRYSTALLOGR., A; DANEM.; DA. 1975; VOL. 31; NO 5; PP. 602-609; BIBL. 17 REF.Article

THE APPLICATION OF PHASE RELATIONSHIPS TO COMPLEX STRUCTURES. VII. MAGIC INTEGERS.WHITE PS; WOOLFSON MM.1975; ACTA CRYSTALLOGR., A; DANEM.; DA. 1975; VOL. 31; NO 1; PP. 53-56; BIBL. 3 REF.Article

METHODE A PLUSIEURS VARIANTES DE CALCUL DE LA PHASE EN RESOLUTION AUTOMATIQUE DE LA STRUCTURE DES CRISTAUX SANS SYMETRIE CENTRALE SUR CALCULATEUR ELECTRONIQUEANDRIANOV VI; SAFINA Z SH; TARNOPOL'SKIJ BL et al.1974; ZH. STRUKT. KHIM.; S.S.S.R.; DA. 1974; VOL. 15; NO 5; PP. 911-916; BIBL. 11 REF.Article

THE COSINE INVARIANTS AND SEMIINVARIANTS. I. THE THEORETICAL BASIS.HAUPTMAN H.sdIN: DIRECT METHODS CRYSTALLOGR. NORTH ATL. TREATY ORGAN. ADV. STUDY INST.; ERICE, SICILY; 1974; S.L.; DA. S.D.; PP. H1-H66 (39P.); BIBL. 1 REF.Conference Paper

A FORMULA FOR THE INVARIANT COS (PHI _H+PHI _K+PHI _E-PHI _H+K+E) IN THE PROCEDURES FOR PHASE SOLUTION.GIACOVAZZO C.1976; ACTA CRYSTALLOGR., A; DENM.; DA. 1976; VOL. 32; NO 1; PP. 100-104; BIBL. 4 REF.Article

ABOUT QUARTETS. RELATION WITH THE INVARIANT PHASES OF TRIPLETS.BUSETTA B.1976; ACTA CRYSTALLOGR., A; DANEM.; DA. 1976; VOL. 32; NO 3; PP. 359-362; BIBL. 5 REF.Article

REAL-SPACE ANALOGUE OF REFLEXION QUARTETS.GASSMANN J.1975; ACTA CRYSTALLOGR., A; DANEM.; DA. 1975; VOL. 31; NO 6; PP. 825-831; BIBL. 15 REF.Article

ZUR THEORIE DER STRUKTURFAKTORRELATIONEN II. = THEORIE DES RELATIONS DE FACTEURS DE STRUCTUREROTHBAUER R.1975; NEU. JB. MINERAL., MONATSH.; DTSCH.; DA. 1975; NO 3; PP. 121-134; ABS. ANGL.; BIBL. 3 REF.Article

CONDITIONAL PROBABILITY DISTRIBUTIONS OF THE FOUR-PHASE STRUCTURE INVARIANT PHI _H+PHI _K+PHI _L+PHI _M IN P1.HAUPTMAN H; GREEN EA.1976; ACTA CRYSTALLOGR., A; DENM.; DA. 1976; VOL. 32; NO 1; PP. 45-49; BIBL. 4 REF.Article

PHASE EXTENSION BY MEANS OF THE SQUARE ROOT OF THE ELECTRON DENSITY.DAVIES AR; ROLLETT JS.1976; ACTA CRYSTALLOGR., A; DENM.; DA. 1976; VOL. 32; NO 1; PP. 17-23; BIBL. 9 REF.Article

THE EFFECT OF PLASMON PRODUCTION ON PHASE DETERMINATION VIA THE UNITARITY EQUATION.BOYCE JF; ROBERTS SA.1976; ACTA CRYSTALLOGR., A; DANEM.; DA. 1976; VOL. 32; NO 3; PP. 493-499; BIBL. 3 REF.Article

CONSISTENCY TEST FOR THE DETERMINATION OF A CORRECT PHASE SET OF THE STRUCTURE FACTORS.HASEK J.1975; ACTA CRYSTALLOGR., A; DANEM.; DA. 1975; VOL. 31; NO 6; PP. 818-819; BIBL. 7 REF.Article

SYMMETRY OF DENSITY FUNCTIONS BASED ON THE N-TUPLE PHASE ANGLE.COLLINS DM; SKARSTAD PM.1975; ACTA CRYSTALLOGR., A; DANEM.; DA. 1975; VOL. 31; NO 4; PP. 405-407; BIBL. 5 REF.Article

THE APPLICATION OF DIRECT METHODS TO CENTROSYMMETRIC STRUCTURES CONTAINING HEAVY ATOMS. II.GOULD RO; VAN DEN HARK TEM; BEURSKENS PT et al.1975; ACTA CRYSTALLOGR., A; DANEM.; DA. 1975; VOL. 31; NO 6; PP. 813-817; BIBL. 13 REF.Article