Paul J. Lyons, Giovanni S. Moretti, Chrissy Reeves. Some possibilities of visual programming languages. In Elizabeth A. Kemp, Chris Phillips, Kinshuk, John Yanes, editors, Proceedings of the Symposium on Computer Human Interaction, CHINZ 2001, Palmerston North, New Zealand, 6 July 2001. pages 43-47, ACM, 2001. [doi]
Abstract is missing.