- The Use of 3-D Fractal Models to Enhance Civil Engineering and Architectural Graphics,
H.P. Santo
Paper 19.3 from CCP: 4/5, ISBN 0-948749-03-2 (1987)
- GREASE - a Micro-Computer Graphical Extensions for Architecture and Structural Engineering,
H.P. Santo
Paper 7.2 from CCP: 2/3, ISBN 0-948749-00-8 (1985)