Luniov, S. V., Burban, O. V., & Nazarchuk, P. F. (2019). Calculation of the Ground-State Ionization Energy for Shallow Donors in n-Ge Single Crystals within the Δ1-Model for the Conduction Band. Ukrainian Journal of Physics, 60(10), 1022. https://doi.org/10.15407/ujpe60.10.1022