Figures can also be submitted as sharp, high contrast, laser printer made hard copy, glossy prints, or original black ink drawings. For this width, the letters and numbers may not be smaller than 2 mm after reproduction Usually, only one figure is allowed for one structure. In this case, no figure caption will be printed. Please make sure, that you do not use word processors for editing CIF-files. Proofs Proofs will be sent only once to the author explicitly marked as correspondence author.
Corrections are to be restricted to typographical errors.
Offprints Thirty offprints of each article will be provided. Unless otherwise specified they will be sent to the correspondence author. Additional copies can be ordered upon return of the proofs. They will be charged according to the relevant price list. The authors are asked to keep structure factor lists for one year after publication in case they are requested.