1. Peter Henderson, Functional Programming, Application and Implementation, Prentice-Hall, (1980). Also: Functional Geometry, Symposium on Lisp and Functional Programming, (1982).
2. Emmanuel Chailloux, Guy Cousineau, Programming Images in ML, ACM SIGPLAN Workshop on ML and its Applications (1992).
3. Simon Peyton Jones, S. Finne, Pictures: a Simple Structured Graphic Model, Proceedings, Glasgow Functional Programming Workshop, (1996).
4. Jerzy Karczmarczuk, Geometric Modelling in Functional Style, Proc., III Latino-Americal Conf. on Functional Programming, Recife, Brazil, (1999).
5. David S. Ebert, F. Kenton Musgrave, Darwyn Peachey, Ken Perlin, Steven Worley, Texturing and Modeling. A Procedural Approach, AP Professional, (1998).