1. 〈http://cordis.europa.eu/result/rcn/58296_en.html〉.
2. 〈http://medicaldesign.com/materials/lead-free-plastics-X-ray-shielding〉.
3. A novel design for production of efficient flexible lead-free shields against X-ray photons in diagnostic energy range;Aghamiri;J. Biomed. Phys. Eng.,2011
4. ASTM D624, 2012. Standard Test Method for Tear Strength of Conventional Vulcanized Rubber and Thermoplastic Elastomers.
5. Use of mica in poly(vinyl chloride);Bataille;Polym. Compos.,2004