Testing of substrates for flexible optical solar reflectors: irradiations of nano-hybrid coatings of polyimide films with 20 keV electrons and with 200–400 nm ultraviolet radiation. (6th June 2019) - Alpat, B.; Gulgun, M.A.; Çorapcıoglu, G.; Yildizhan, M.M.; Lazzaro, P. Di; Murra, D.; Kaplanoglu, T.; Postolache, V.; Mengali, S.; Simeoni, M.; Urbani, A.