1. Using the Building Regulations: Part M Access
2. Attitude Control System Design of a Seated Stair Lift on a Single Rail by Using Two-Degrees-of-Freedom Control;hirata;The Proceedings of Conference of Kanto Branch,2007
3. Gear nomenclature, definition of terms with symbols;Alexandria American Gear Manufacturers Association,2011
4. Design and Structural Analysis of Platform Stair Lift Using Finite Element Method;chougule;IOSR Journal of Engineering,2018
5. Design of Stairlift for Curved Path