Most of the contributions still missing are expected to be delivered by May 1998 and the whole manuscript will be sent to Chester for technical editing in September 1998, even if one or two contributions are lacking by that time. These will be left for an eventual second edition. Update of the contributions already received is in progress and is expected to be completed by summer 1998. Publication is expected in 1999. Software packages will be included in a CD ROM which will accompany Volume D. The purpose of the first package (prepared in Nijmegen by T. Janssen and M. Ephraim) is (a) calculation of invariant tensors of any dimension and rank and with arbitrary permutation symmetry under the action of a chosen three-dimensional point group, (b) representation of finite point groups; the second (prepared in Prague by V. Kopsky, V. Janovec and P. Bocek) presents (a) tables relevant to equitranslational phase transitions, (b) tables relevant to group-subgroup phase transitions and symmetry analysis of domain structures. Progress of the two software packages is satisfactory.
Editor A. Authier
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