Zsellér, Viktor, and Krisztián Samu. “The Optical Effect of Thermal Expansion over Excessed Injection Molded Lens Arrays in Modern LED Outdoor Luminaires”. Recent Innovations in Mechatronics, vol. 3, no. 1-2., Sept. 2016, pp. 1-4., https://doi.org/10.17667/riim.2016.1-2/19.