Training in the PL-Grid as Key Component to Attract Users to Grid e-Infrastructures. - Marcelina Borcz; Krzysztof Benedyczak; Adam Padee; Rafal Kluszczynski; Grzegorz Marczak; Miroslaw Zdybek; Maciej Pawlik; Maciej Filocha; Piotr Bala (PL-Grid, 2012)