WASET
    Seyedeh Mozhgan Seyed-Talebi and  Javad Beheshtian,  Lead-Free Inorganic Cesium Tin-Germanium Triiodide Perovskites for Photovoltaic Application.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2021, vol. 174(6). 252 - 257
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10012091.