Volume 10 (1981)

Reports and Reviews

• A. Janner, T. Janssen: Symmetry of Incommensurate Crystal Phases in the Superspace Group Approach, pp. 5-26
• K. Koehler: On the Structure and the Determination of n-Dimensional Partially periodic Crystallographic Groups, pp. 27-53
• K. Koehler: An Algorithm for Finding the Subgroups of n-Dimensional Crystallographic Groups, pp. 55-63
• G. Maxwell: Space Groups of Coxeter Type, pp. 65-76
• J. Neubueser, W. Plesken, H. Wondratschek: An Emendatory Discursion on Defining Crystal Systems, pp. 77-96
• W. Plesken: Bravais Groups in Low Dimensions, pp. 97-119
• R. L. E. Schwarzenberger: Decomposition of Crystal Families and Graphical Representations of Space Groups and Asymptotic Estimates for Large Dimensions, pp. 121-122

Phase Transitions

• E. Ascher: Symmetries and Phase Transition, pp. 125-130
• J. L. Birman: Representation Theory, Selection Rules, and Physical Processes in Crystals, pp. 131-165
• J. L. Birman: Selection Rules and Symmetry Breaking, pp. 167-196
• K. Lukaszewicz: Small Deviations from the Apparent Symmetry of Crystals, pp. 197-209
• H. R. Trebin: Investigations of Defects in Ordered Media by Methodsa af Algebraic Topology, pp. 211-222
• L. Michel, J. Mozrzymas: Weak Equivalence of Irreducible Representations of Little Space Groups, pp. 223-225