Preparation of Papers.

The article presents information on various methods to comply with the overall style adopted for this journal. Authors are advised to consult previous issues of the journal to get a feel of the journal. Manuscripts have be submitted in triplicate. The text should be typewritten. The professional title and affiliation of each author should be given in footnotes located at the bottom of the first page. To avoid errors, all formulas should be typewritten. Complexity of notation should be avoided. Drawing and figures should be drafted in on a suitable paper. Lettering should be of uniform size and of such size and clarity that drawings are easily legible. Captions should be listed on a separate manuscript page. The list should be double spaced or triple spaced. Authors should provide a list of special symbols employed in the paper, for example, Greek symbols, script symbols, or sans serif symbols. If a special convention is used to show boldface symbols, that convention should be stated clearly.