Mitkevičius, Ramūnas, et al. “Control over the Performance of Monocrystalline Silicon Solar Cells Referring to the Porous Silicon Layer”. Mokslas – Lietuvos Ateitis Science – Future of Lithuania, vol. 3, no. 6, Jan. 2012, pp. 91-94, https://doi.org/10.3846/mla.2011.120.