1. Azdel, n.d. https://www.hiveforhousing.com/products/material-sciences/hanwha-azdel-drives-innovation-to-housing_o (September 2020).
2. https://www.azdelonboard.com/ (September 2020).
3. https://www.flexformtech.com/News/pdfs/Composites-World-Thermoformable-Composite-Panels.pdf (September 2020).
4. Balsa Corvette, n.d. https://www.autonews.com/article/20050912/SUB/509120708/balsa-wood-helps-put-the-zip-in-the-z06 (September 2020).
5. BMC, n.d. https://www.polynt.com/wp-content/uploads/2019/02/Brochure-Polynt-Reichhold-Compounds-BMC-SMC.pdf (September 2020).