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

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

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

IDENTIFICATION OF SYSTEMATICALLY ABERRANT PHASE RELATIONSHIPS ARISING FROM STRUCTURAL REGULARITY.THIESSEN WE; BUSING WR.1974; ACTA CRYSTALLOGR., A; DANEM.; DA. 1974; VOL. 30; NO 6; PP. 814-821; BIBL. 26 REF.Article

DIRECT METHODS IN CRYSTALLOGRAPHY. NORTH ATLANTIC TREATY ORGANISATION ADVANCED STUDY INSTITUTE; ERICE, SILICY; 1974.sd; S.L.; DA. S.D.; PP. (330P.); BIBL. DISSEM.Conference Paper

THE APPLICATION OF DIRECT METHODS TO THE ANALYSIS OF HEAVY-ATOM DERIVATIVES.NAVIA MA; SIGLER PB.1974; ACTA CRYSTALLOGR., A; DANEM.; DA. 1974; VOL. 30; NO 6; PP. 706-712; BIBL. 24 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 PHASE FUNCTION: NEW DEVELOPMENTS IN THE SYMBOLIC-ADDITION PROCEDURERICHE C.1973; ACTA CRYSTALLOGR., A; DANEM.; DA. 1973; VOL. 29; NO 2; PP. 133-137; BIBL. 17 REF.Serial Issue

MULTISOLUTION METHODS.GERMAIN G; MAIN P; WOOLFSON MM et al.sdIN: DIRECT METHODS CRYSTALLOGR. NORTH ATL. TREATY ORGAN. ADV. STUDY INST.; ERICE, SICILY; 1974; S.L.; DA. S.D.; PP. G1-G41Conference Paper

SYMBOLIC ADDITION.WOOLFSON MM.sdIN: DIRECT METHODS CRYSTALLOGR. NORTH ATL. TREATY ORGAN. ADV. STUDY INST.; ERICE, SILICY; 1974; S.L.; DA. S.D.; PP. D1-D50; BIBL. 29 REF.Conference Paper

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

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

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

A PROBABILISTIC THEORY IN P1 OF THE INVARIANT E_HE_KE_LE_H+K+L.GIACOVAZZO C.1975; ACTA CRYSTALLOGR., A; DANEM.; DA. 1975; VOL. 31; NO 2; PP. 252-259; BIBL. 12 REF.Article

RECOGNITION AND USE OF SYSTEMATICALLY ABERRANT PHASE RELATIONSHIPS. II: A SIMPLE METHODBRITTON D; DUNITZ JD.1982; ACTA CRYSTALLOGR., SECT. A, CRYST. PHYS., DIFF. THEOR. GEN. CRYSTALLOGR.; ISSN 0567-7394; DNK; DA. 1982; VOL. 38; NO 1; PP. 171-172; BIBL. 3 REF.Article

LOS METODOS DIRECTOS EN LA RESOLUCION DE ESTRUCTURAS CRISTALINAS POR DIFRACION DE RAYOS X: SU DESARROLLO TEORICO. = LES METHODES DIRECTES POUR LA RESOLUTION DES STRUCTURES CRISTALLINES PAR DIFFRACTION RX: DEVELOPPEMENT THEORIQUEMIRAVITLLES C; LUIS BRIANSO J; PLANA F et al.1976; CIRC. FARM.; ESP.; DA. 1976; VOL. 34; NO 252; PP. 391-406; ABS. FR. ANGL. ALLEM.; BIBL. 19 REF.Article

THE PHASE CORRELATION PROCEDURE.BEURSKENS PT.sdIN: DIRECT METHODS CRYSTALLOGR. NORTH ATL. TREATY ORGAN. ADV. STUDY INST.; ERICE, SICILY; 1974; S.L.; DA. S.D.; PP. E1-E15; BIBL. 8 REF.Conference Paper

CRYSTALLOGRAPHIC FAST FOURIER TRANSFORMSTEN EYCK LF.1973; ACTA CRYSTALLOGR., A; DANEM.; DA. 1973; VOL. 29; NO 2; PP. 183-191; BIBL. 3 REF.Serial Issue

CHOICE OF THE STARTING SET OF REFLEXIONS IN DIRECT METHODS: SOME SIMPLE CRITERIA.LAING M.1976; ACTA CRYSTALLOGR., A; DANEM.; DA. 1976; VOL. 32; NO 4; PP. 673-674; BIBL. 9 REF.Article

ON THE APPLICATION OF PHASE RELATIONSHIPS TO COMPLEX STRUCTURES. XXI: AN EXTENSION TO THE MAGEX PROCEDUREZHANG SHAO HUI; WOOLFSON MM.1982; ACTA CRYSTALLOGR., SECT. A, CRYST. PHYS. DIFFR. THEOR. GEN. CRYSTALLOGR.; ISSN 0567-7394; DNK; DA. 1982; VOL. 38; NO 5; PP. 683-685; BIBL. 3 REF.Article

THE USE OF KARLE-HAUPTMAN DETERMINANTS IN SMALL-STRUCTURE DETERMINATIONS. IIDE GRAAF RAG; VERMIN WJ.1982; ACTA CRYSTALLOGR., SECT. A., CRYST. PHYS. DIFFR. THEOR. GEN. CRYSTALLOGR.; ISSN 0567-7394; DNK; DA. 1982; VOL. 38; NO 4; PP. 464-470; BIBL. 21 REF.Article

ON THE APPLICATION OF PHASE RELATIONSHIPS TO COMPLEX STRUCTURES. XVIII: RANTAN-RANDOM MULTANYAO JIA XING.1981; ACTA CRYSTALLOGR., SECT. A, CRYST. PHYS., DIFFR., THEOR. GEN. CRYSTALLOGR.; ISSN 0567-7394; DNK; DA. 1981; VOL. 37; NO 5; PP. 642-644; BIBL. 16 REF.Article