When emphasising words, please use the italic feature of your word processor software. The space bar should only be used as a word separator. Use TAB when indenting paragraphs or separating columns in tables. Originals of good quality can also be submitted as usual. Papers should preferably be written in English.
Authors are solely responsible for their written language.
Should the Editor judge a paper to be linguistically unacceptable, the author is responsible for its revision prior to acceptance for publication. Figures should normally be drawn on sheets of the same size as manuscript sheets. Abstract and keywords. The main text should be preceded by a short abstract accompanied by a list of keywords. These should preferably be numbered.