Producing hardcopy graphics for blind or visually impaired persons using a special drawing program called RELIEF

Journal of Microcomputer Applications - Tập 16 - Trang 301-306 - 1993
Franz Peter Seiler1, Ruth Grünfelder1, Haymo Deisenhammer1
1University of Technology Vienna, Institute of Electronics, FORTec—Working Group on Rehabilitation Engineering, Gusshausstrasse 27/359/B, A-1040 Wien—Vienna, Austria