1. An approach to graphics system design;Newman,1974
2. A survey of data structures for computer graphics systems;Williams;ACM Comput Surv,1971
3. Sketchpad, a man-machine graphical communication system;Sutherland;AFIPS SJCC,1963
4. A ring structure processor for a small computer;Wiseman;Comput J,1968
5. A compact data structure for storing, retrieving and manipulating line drawings;Van Dam;AFIPS SJCC,1967