NOPT – New polishing techniques for scalable, light-weighted mirrors of different materialsSebastiano Spinelli, Luigina Arcangeli, Ruben Mazzoleni, Massimiliano Rossi, Marco Terraneo and Roman WindpassingerEPJ Web Conf., 215 (2019) 03002DOI: https://doi.org/10.1051/epjconf/201921503002