The original text must be double-space printed in computer using the Word 7 program reviewed and paginated. The triplicate, original and copies must contain legible tables and illustrations for all referees. The title of each section must be typewritten in capital letters, line centralized, numbered and four space separated from the text. In a separated paper sheet, not numbered, put the paper title, author's names and the number of tables and figures. Avoid scientific nomenclature in the title.
Index terms are imperative.
This section must be objective, written with clarity, conciseness, in a straight forward readable style. Only new methods and unusual material are described in minor details. The discussion is restricted to the results presented in the paper and compared with other data from the same authors or from anothers, but making clear if the objectives of the research were attained. The sequence is based on the authors last name alphabetical order, and within this, the publication chronological order. It contains only literature mentioned in the text, tables and figures.