1. The use of computer graphics as a scheduling tool;Retik;Build. Environ.,1990
2. Graphical simulation for project planning: 4D-planner;Williams,1996
3. Visual-based scheduling: 4D modeling on the San Mateo county health center;Collier,1996
4. Interactive 4D-CAD;McKinney,1996
5. A library-based 4D visualization of construction processes;Adjei-Kumi,1997