PACS:71.20.Nr, 78.20.Ci, 71.18.+y (all) DOI:10.1070/PU1974v016n06ABEH004090 URL: https://ufn.ru/en/articles/1974/6/c/ Citation: Efros A L "Density of states and interband absorption of light in strongly doped semiconductors" Sov. Phys. Usp.16 789–805 (1974)