A New Approach to Text and Image Processing. - Lars Blomberg; Kerstin Frenckner; Björn Kruse; Gunilla Lonnemark; Staffan Romberger; Yngve Sundblad (IEEE Computer Graphics and Applications, 1984)

The paper model for computer-based writing. - Ann Fatton; Staffan Romberger; Kerstin Severinson Eklundh (INTERCHI, 1993)