Acta Crystallographica Section A

Crystal Physics, Diffraction, Theoretical and General Crystallography

Volume 26, Part 2 (March 1970)



research papers



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Acta Cryst. (1970). A26, 171-172    [doi:10.1107/S056773947000044X]

`Early days'

W. L. Bragg



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Acta Cryst. (1970). A26, 173-177    [doi:10.1107/S0567739470000451]

`Manchester days'

W. L. Bragg



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Acta Cryst. (1970). A26, 178    [doi:10.1107/S0567739470000463]

Sir Lawrence Bragg. Homage through a book

J. M. Bijvoet, W. G. Burgers and G. Hägg



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Acta Cryst. (1970). A26, 178    [doi:10.1107/S0567739470000475]

Sir Lawrence Bragg, Homage

P. P. Ewald



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Acta Cryst. (1970). A26, 179-180    [doi:10.1107/S0567739470000487]

The Manchester School of W. L. Bragg

I. Náray-Szabó



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Acta Cryst. (1970). A26, 180-182    [doi:10.1107/S0567739470000499]

W. L. Bragg - an appreciation

H. S. Lipson



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Acta Cryst. (1970). A26, 182-183    [doi:10.1107/S0567739470000505]

Personal reminiscences

J. Thewlis



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Acta Cryst. (1970). A26, 183-185    [doi:10.1107/S0567739470000517]

Bragg, protein crystallography and the Cavendish Laboratory

M. F. Perutz



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Acta Cryst. (1970). A26, 186-188    [doi:10.1107/S0567739470000529]

W. L. Bragg at the Royal Institution, 1953-66

D. C. Phillips



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Acta Cryst. (1970). A26, 189-193    [doi:10.1107/S0567739470000530]

Bragg's influence on progress in optical computations

D. McLachlan Jnr



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Acta Cryst. (1970). A26, 194-196    [doi:10.1107/S0567739470000542]

Optical transform methods 1939-1969

G. Harburn and C. A. Taylor



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Acta Cryst. (1970). A26, 196-207    [doi:10.1107/S0567739470000554]

Analysis of diborane X-ray diffraction data utilizing structure factors calculated from molecular wave functions

D. S. Jones and W. N. Lipscomb



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Acta Cryst. (1970). A26, 208-214    [doi:10.1107/S0567739470000566]

An analysis of recent single crystal X-ray diffraction measurements on calcium fluoride

M. J. Cooper



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Acta Cryst. (1970). A26, 214-223    [doi:10.1107/S0567739470000578]

Extinction in X-ray and neutron diffraction

M. J. Cooper and K. D. Rouse



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Acta Cryst. (1970). A26, 223-229    [doi:10.1107/S056773947000058X]

Absolute measurement of structure factors using a new dynamical interference effect

M. Hart and A. D. Milne



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Acta Cryst. (1970). A26, 230-234    [doi:10.1107/S0567739470000591]

Phase determination and structure refinement by density and shift functions

H. Jagodzinski and D. Philipp



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Acta Cryst. (1970). A26, 235-244    [doi:10.1107/S0567739470000608]

Thermal vibrations and a lattice mode in calcite and sodium nitrate

H. D. Megaw



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Acta Cryst. (1970). A26, 244-254    [doi:10.1107/S056773947000061X]

Désordre linéaire dans les cristaux (cas du silicium, du quartz, et des pérovskites ferroélectriques)

R. Comès, M. Lambert et A. Guinier



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Acta Cryst. (1970). A26, 254-259    [doi:10.1107/S0567739470000621]

The temperature factor of an atom in a rigid vibrating molecule. I. Isotropic thermal motion

B. T. M. Willis and G. S. Pawley



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Acta Cryst. (1970). A26, 260-262    [doi:10.1107/S0567739470000633]

The temperature factor of an atom in a rigid vibrating molecule. II. Anisotropic thermal motion

G. S. Pawley and B. T. M. Willis



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Acta Cryst. (1970). A26, 263-271    [doi:10.1107/S0567739470000645]

Neutron diffraction study of the atomic and molecular motion in hexamethylenetetramine

J. A. K. Duckworth, B. T. M. Willis and G. S. Pawley



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Acta Cryst. (1970). A26, 272-277    [doi:10.1107/S0567739470000657]

Evaluation of paracrystalline distortions from line broadening

W. Vogel and R. Hosemann



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Acta Cryst. (1970). A26, 277-289    [doi:10.1107/S0567739470000669]

Paracrystalline lattice distortions and microdomains in manganese ferrites near the cubic-to-tetragonal transition

L. Cervinka, R. Hosemann and W. Vogel



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Acta Cryst. (1970). A26, 289-292    [doi:10.1107/S0567739470000670]

Rigid-body molecular motion in crystals. The centre of libration

G. S. Pawley


short communications



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Acta Cryst. (1970). A26, 292-293    [doi:10.1107/S0567739470000682]

Anharmonic thermal vibrations in Mg2Si

M. J. Cooper and D. Panke



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Acta Cryst. (1970). A26, 293-294    [doi:10.1107/S0567739470000694]

Magnetic symmetry and physical properties

T. S. G. Krishna Murty and V. Appalanarasimham



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Acta Cryst. (1970). A26, 295    [doi:10.1107/S0567739470000700]

X-ray measurement of the thermal expansion of ammonium chloride

D. B. Sirdeshmukh and V. T. Deshpande



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Acta Cryst. (1970). A26, 295-296    [doi:10.1107/S0567739470000712]

A least-squares method for the determination of the orientation matrix in single-crystal diffractometry

K. Tichý


international union of crystallography



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Acta Cryst. (1970). A26, 296    [doi:10.1107/S0567739470000724]

Opening of the new Union Office


notes and news



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Acta Cryst. (1970). A26, 296    [doi:10.1107/S0567739470000736]

Notes and News


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