Language: English.

Length: 1 page (size A4, 210 x 297 mm).
           Margins: 3 cm left, 2.5 cm right, 3 cm up, 2.5 cm down.

Title: Times New Roman 14pt bold, centred.

Author's name(s): Times New Roman 12pt, centred e.g. CJ Parsons, BK Smit and W Speidel.
                         Please mark with an asterisk the author presenting the work.

Address: Times New Roman 10pt, centred.
             Name of the institution, town, country
             Email of main author
             e.g.: Instituto de Recursos Naturales (CSIC), Seville, Spain
             Email CJ Parsons: Parsons@upt.es

Text: Times New Roman 12pt, justified, lines single spaced.
         Free stile: several paragraphs, tables and figures can be included.

---------------------------------------------------------------------

Please send the abstracts to Enrique Fernández (jefer@irnase.csic.es)

Abstract submission deadline: 30 April 2008.