Please submit abstracts (no longer than 300 words) of proposed 20-minute presentations, together with a short biographical note, until 30^th April 2012 to:

Prof. Wojciech Owczarski, University of Gdańsk, Poland: wowczarski1@tlen.pl

and

Profa Maria Virginia Filomena Cremasco, Federal University of Paraná, Curitiba, Brazil: mavicremasco@hotmail.com