Acta Crystallographica Section A

Crystal Physics, Diffraction, Theoretical and General Crystallography

Volume 27, Part 4 (July 1971)



research papers



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Acta Cryst. (1971). A27, 303-313    [doi:10.1107/S0567739471000731]

Molecular statistical theory of nematic liquid crystals

S. Chandrasekhar and N. V. Madhusudana



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Acta Cryst. (1971). A27, 313-316    [doi:10.1107/S0567739471000743]

The application of non-systematic many-beam dynamic effects to structure factor determination

J. Gjønnes and R. Høier



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Acta Cryst. (1971). A27, 316-322    [doi:10.1107/S0567739471000755]

Die Messung von Schallgeschwindigkeiten in optisch anisotropen Medien mit dem Schaefer-Bergmann-Verfahren

H. Küppers



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Acta Cryst. (1971). A27, 323-331    [doi:10.1107/S0567739471000767]

Les colonnes cylindriques transparentes unicolores et bicolores

T. Roman



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Acta Cryst. (1971). A27, 332-341    [doi:10.1107/S0567739471000779]

Determination of the polarization vectors of lattice waves by anomalous neutron scattering

T. G. Ramesh and S. Ramaseshan



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Acta Cryst. (1971). A27, 341-347    [doi:10.1107/S0567739471000780]

The performances of neutron collimators. I. Accurate transmitted intensity evaluations for neutron collimator systems

F. Rossitto and G. Poletti



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Acta Cryst. (1971). A27, 348-353    [doi:10.1107/S0567739471000792]

Short-range order in ND4Br studied by diffuse neutron scattering

R. S. Seymour



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Acta Cryst. (1971). A27, 353-362    [doi:10.1107/S0567739471000809]

X-ray studies of the NaCl:SrCl2 system

E. Laredo and E. Dartyge



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Acta Cryst. (1971). A27, 362-367    [doi:10.1107/S0567739471000810]

A relation between structure factor, triple products and a single Patterson vector, and its application to sign determination

H. Krabbendam and J. Kroon



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Acta Cryst. (1971). A27, 368-376    [doi:10.1107/S0567739471000822]

The application of phase relationships to complex structures. III. The optimum use of phase relationships

G. Germain and P. Main



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Acta Cryst. (1971). A27, 376-383    [doi:10.1107/S0567739471000834]

Short-range ordering of vacancies and Fermi surface of TiO

J. R. Castles, J. M. Cowley and A. E. C. Spargo



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Acta Cryst. (1971). A27, 383-387    [doi:10.1107/S0567739471000846]

Rigid-body motion in phosphorus chalcogenides

R. A. Forder



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Acta Cryst. (1971). A27, 388-390    [doi:10.1107/S0567739471000858]

An unconventional view of the `closest sphere packings'

G. O. Brunner


short communications



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Acta Cryst. (1971). A27, 391-392    [doi:10.1107/S056773947100086X]

Parallel beams of neutrons or X-rays by multiple Bragg reflection

D. A. Kottwitz



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Acta Cryst. (1971). A27, 392-393    [doi:10.1107/S0567739471000871]

Polarization factor for graphite X-ray monochromators

H. Hope


international union of crystallography



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Acta Cryst. (1971). A27, 393-397    [doi:10.1107/S0567739471000883]

Commission on Crystallographic Computing


notes and news



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Acta Cryst. (1971). A27, 397    [doi:10.1107/S0567739471000895]

Notes and News


book reviews



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Acta Cryst. (1971). A27, 398    [doi:10.1107/S0567739471000901]

International list of periodical title word abbreviations



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Acta Cryst. (1971). A27, 398    [doi:10.1107/S0567739471000913]

Fission damage in crystals by L. T. Chadderton and I. McC. Torrens


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