Perspectives on English as a world language - Allerton, D. J.; Skandera, Paul; Tschichold, Cornelia; Häckert, Martina; Buccellato, Patricia; Halford, Brigitte; Ebner, Sarah; Sand, Andrea; Hamm, Albert; Dürmüller, Urs; Mair, Christian; Hacken, Pius ten (Schwabe, 2002)