1. Polyurethanes Ullmann's Encyclopedia of Industrial Chemistry;Adam,2012
2. High Refractive Index Silicone Concise Encyclopedia of High Performance;Ahmad,2014
3. Optically clear Thermoplastic Polyurethanes;Ahramjian,1969
4. Polymethacrylates Ullmann's Encyclopedia of Industrial Chemistry;Albrecht,2000
5. Optical transmission of PMMA optical fibres exposed to high intensity UVA and visible blue light;Alobaidani;Optics and Lasers in Engineering,2010