Andreev, I. V., Murav'ev, V. M., Kukushkin, I. V., Smet, J. H., von Klitzing, K., & Umanskii, V. (2008). Contactless Measurement of the Conductivity of Two-Dimensional Electrons in the Regime of Microwave-Induced Giant Magnetoresistance Oscillations. JETP Letters, 88(9), 616-619.