1. The use of computer graphics as a scheduling tool;Retik;Building and Environment,1990
2. McKinney K, Kim J, Fischer M, Howard C. Interactive 4D-CAD. Proceedings of the Third Congress on Computing in Civil Engineering. Anaheim, CA: ASCE, 1996. p. 383–9.
3. Collier E, Fischer M. Visual-based scheduling: 4D modeling on the San Mateo County Health Center. Proceedings of the Third Congress on Computing in Civil Engineering. Anaheim, CA: ASCE, 1996. p. 800–5.
4. Williams M, Graphical simulation for project planning: 4D-planner. Proceedings of the Third Congress on Computing in Civil Engineering. Anaheim, CA: ASCE, 1996. p. 404–9.
5. Adjei-Kumi T, Retik A. A library-based 4D visualization of construction processes. Proceedings of the Information Visualization Conference 1997. Piscataway, NJ, USA: IEEE, 97TB100165, 1997. p. 315–21.