Sketchpad III: A Computer Program for Drawing in Three Dimensions
Timothy E. Johnson.
Proceedings of the 1963 Spring Joint Computer Conference, E. Calvin Johnson, Vol. 23, AFIPS Conference Proceedings, pp. 347--353, Baltimore, MD, American Federation of Information Processing Societies, Spartan Books Inc.,
1963. [BibTeX]
Sketchpad: A Man-Machine Graphical Communication System
Ivan E. Sutherland.
Proceedings of the 1963 Spring Joint Computer Conference, E. Calvin Johnson, Vol. 23, pp. 329--346, American Federation of Information Processing Societies, Spartan Books,
1963. [BibTeX]
Sketchpad: A Man-Machine Graphical Communication System
Ivan E. Sutherland.
Massachusetts Institute of Technology, Lincoln Lab,
1963. [BibTeX]