Acta Crystallographica Section A
Acta Crystallographica
Section A FOUNDATIONS AND ADVANCES

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Volume 37| Part 3

ISSN: 2053-2733

May 1981 issue

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research papers

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The ultrastructure of pyroxenoid chain silicates. II. Direct structure imaging of the minerals rhodonite and wollastonite

D. J. Smith, D. A. Jefferson and L. G. Mallinson

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The ultrastructure of pyroxenoid chain silicates. III. Intersecting defects in a synthetic iron–manganese pyroxenoid

D. A. Jefferson and N. J. Pugh

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The three-colored three-dimensional space groups

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Nonbonded potential function models for crystalline oxohydrocarbons

S. R. Cox, L.-Y. Hsu and D. E. Williams

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The superstructure of the intermediate pyrrhotite. II. One-dimensional out-of-step vector of Fe vacancies in the incommensurate structure with compositional range from Fe₉S₁₀ to Fe₁₁S₁₂

K. Koto and M. Kitamura

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The Fourier transforms of a coiled coil and a toroidal helix

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Diffraction of X-rays by magnetic materials. I. General formulae and measurements on ferro- and ferrimagnetic compounds

F. de Bergevin and M. Brunel

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Diffraction of X-rays by magnetic materials. II. Measurements on antiferromagnetic Fe₂O₃

M. Brunel and F. de Bergevin

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Multipole interactions and phonon dispersion in b.c.c. transition metals

R. N. Khanna and R. P. S. Rathore

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Deriving the equilibrium conformation in molecular crystals by the quasi-harmonic procedure: some critical remarks

G. Filippini and C. M. Gramaccioli

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Effects of space-group symmetry and atomic heterogeneity on intensity statistics

U. Shmueli and A. J. C. Wilson

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The behaviour of residuals with respect to the elimination of low-intensity data

G. H. Petit, A. T. H. Lenstra and J. F. Van Loock

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Third-order elastic constants of orthorhombic calcium formate

S. Haussühl and W. Chmielewski

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The influence of in-plane collimation on the precision and accuracy of lattice-constant determination by the Bond method. I. A mathematical model. Statistical errors

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The influence of in-plane collimation on the precision and accuracy of lattice-constant determination by the Bond method. II. Verification of the mathematical model. Systematic errors

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Self terms in external-mode formalism

S. L. Chaplot, V. C. Sahni and K. R. Rao

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Radii of gyration and scattering curves of hollow bodies of homogeneous electron density

Y. Hiragi and S. Ihara

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Absolute thermal diffuse scattering measurements. I

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Extinction theory for a plane-parallel mosaic crystal in transmission

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A translation function combining packing and diffraction information: an application to lysozyme (high-temperature form)

Y. Harada, A. Lifchitz, J. Berthou and P. Jolles

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The application of the molecular replacement method in studies on the quaternary structure of haemoglobin

Z. S. Derewenda, E. J. Dodson, G. G. Dodson and A. M. Brzozowski

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Electrostatic molecular interaction from X-ray diffraction data. I. Development of the method; test on pyrazine

G. Moss and D. Fell

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Exact method for the calculation of pseudorotation parameters P, τ_m and their errors. A comparison of the Altona–Sundaralingam and Cremer–Pople treatment of puckering of five-membered rings

S. T. Rao, E. Westhof and M. Sundaralingam

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A statistical interpretation of rotation and translation functions in reciprocal space

P. T. Beurskens

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A simple computer method for the orientation of single crystals of any structure using Laue back-reflection X-ray photographs

C. A. Cornelius

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short communications

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The learnt-profile method in four-circle diffractometry: the variation of reflexion peak width

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Least-squares refinement of unit-cell parameters from precession photographs

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Corrections to equations in §3 of International Tables for X-ray Crystallography, Vol. IV

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Polarization ratio for X-ray diffraction by perfect unicrystals with finite thickness

G. B. Mitra and B. K. Mathur

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Ripple reduction in Fourier representations: the cubediagonal synthesis for cadmium `apatites'

A. J. C. Wilson

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On the occurrence of polytypism in cadmium sulphide thin films

S. Prasad, B. K. Tiwari and O. N. Srivastava

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international union of crystallography

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Commission on Journals: Standards for the Publication of Powder Pattern Data

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Commission on Journals: Submission of Manuscripts Based on Powder Diffraction Profile Fitting or Refinement (Rietveld) methods: Deposition of Data

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Acta Crystallographica: Appreciation of Co-editors' Service

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book reviews

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Ordering in strongly fluctuating condensed matter systems edited by T. Riste

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Computing in crystallography edited by R. Diamond, S. Ramaseshan and K. Venkatesan

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Amorphous semiconductors. (Topics in Applied Physics, Vol 36)

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Ferroelectric semiconductors by V. M. Fridkin

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The physics and chemistry of liquid crystal-devices edited by G. J. Sprokel

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books received

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Synchrotron radiation research edited by H. Winick and S. Doniach

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Quasi-particles: ideas and principles of solid state physics by M. I. Kaganov and I. M. Lifshits

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Physics in high magnetic fields

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Ultrasoft X-ray microscopy: its application to biological and physical sciences edited by D. F. Parsons

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Advances

Recently published Advances articles are given below.

Interpretation of angular symmetries in electron nanodiffraction patterns from thin amorphous specimens. A. C. Y. Liu, G. R. Lumpkin, T. C. Petersen, J. Etheridge & L. Bourgeois (2015). Acta Cryst. A71, doi:10.1107/S2053273315011845.

Identification of inversion domains in KTiOPO₄ via resonant X-ray diffraction. F. Fabrizi, P. A. Thomas, G. Nisbet & S. P. Collins (2015). Acta Cryst. A71, 361-367.

Partial order among the 14 Bravais types of lattices: basics and applications. H. Grimmer (2015). Acta Cryst. A71, 143-149.

SHELXT - Integrated space-group and crystal-structure determination. G. M. Sheldrick (2015). Acta Cryst. A71, 3-8.

Special issues

Mathematical Crystallography

Bragg centennial issue

Laue centennial issue

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