issue contents
January 2002 issue
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Cover illustration: Electrostatic equilibrium of simultaneous Coulomb attraction and core repulsion for an ensemble ; the conjoint centroids, shown in yellow, characterize force-free positions of the fragment inside the unit cell. For comparison, the pure Coulomb equilibrium is shown in the background. See Mädler, Behrends & Knorr [Acta Cryst. (2001). A57, 20-23].
obituaries
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research papers
Algorithms for deriving crystallographic space-group information. II. Treatment of special positions
short communications
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addenda and errata
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international union of crystallography
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book reviews
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books received
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international union of crystallography
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