Manuscript may be typed single sided on A4 format white paper provided that the typing area of 16 cm x 26 cm is not exceeded when using a word processing system. We recommend the use of "Times New Roman" font (12size) and single spacing for the main text.

References should be indicated in the text by numbers on the lines in bracket, for example [14] and must be numbered in the order in which they are mentioned in the text. Full references should be given at the end of papers.