1. P.G. Ranky, Current/Simultaneous Engineering: Methods, Tools & Case Studies, CIMware Limited, Guildford, Surrey, UK, 1994.
2. Autovue™, Cimmetry Systems Inc., www.cimmetry.com.
3. ConceptWorks™, Inflow Inc., www.inflow-tech.com.
4. eDrawings™, SolidWorks Inc., www.solidworks.com/edrawings.
5. Streamline™, Autodesk Inc., www.autodesk.com/streamline-trial.