Please underline with a wavy line all vector quantities. Use fractional exponents to avoid root signs. The nomenclature sponsored by the International Union of Pure and Applied Chemistry is requested for chemical compounds. Unit abbreviations should follow the practices of the American Institute of Physics. Chemical bonds should be correctly placed, and double bonds clearly indicated.
Valence is to be indicated by superscript plus or minus signs.
Please compile references on a separate sheet at the end of the manuscript. References should be limited to literature citations. Explanatory or supplementary material should be treated either as footnotes to text or appendices. A limited number of color figures that are of critical importance and that significantly enhance the presentation will be considered for publication at the publisher expence. Color slides are preferable to color prints.