Ashraf M. Elsaid and Magd M. Badr and Mohamed S. Selim, Environmental Friendly Polyurethane Coatings Based On Hyperbranched Resin. journal = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2013, vol. 80(8). 597 - 603 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/16064.