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PACS:72.20.−i, 72.20.My, 72.40.+w (all) DOI:10.1070/PU2005v048n02ABEH002104 URL: https://ufn.ru/en/articles/2005/2/j/ Citation: Ryzhii V I "Microwave-induced negative conductivity and zero-resistance states
in two-dimensional electronic systems: history and current status" Phys. Usp.48 191–198 (2005)