The Metafont book

A system for compiling fonts

APL '87 Proceedings of the international conference on APL: APL in transition

Drawing antialiased cubic spline curves

ACM Transactions on Graphics (TOG)

The evolution of Lisp

HOPL-II The second ACM SIGPLAN conference on History of programming languages

Skeletal strokes

UIST '93 Proceedings of the 6th annual ACM symposium on User interface software and technology

Drawing and animation using skeletal strokes

SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques

Demonstrational and constraint-based techniques for pictorially specifying application objects and behaviors

ACM Transactions on Computer-Human Interaction (TOCHI)

Integrating literate programming and cleanroom software engineering to teach software engineering skills

Proceedings of the 2nd Australasian conference on Computer science education

Metafont

Encyclopedia of Computer Science

A declarative specification and semantics for visual languages

Journal of Visual Languages and Computing