All papers related to the conference topics are welcome. One page abstract in English should be submitted by email to the Conference Secretariat (evaces2013@ufjf.edu.br) by February 15, 2013. Contributed papers will be selected by the International Scientific Committee on the basis of these abstracts. The abstract should clearly state the purpose and the conclusion of the full paper. It should be submitted as a PDF document and prepared using the available Word template.