Debus, J., D. Kudlacik, V. F. Sapega, T. S. Shamirzaev, D. R. Yakovlev, Dirk Reuter, A. D. Wieck, A. Waag, and M. Bayer. “Basic Requirements of Spin-Flip Raman Scattering on Excitonic Resonances and Its Modulation through Additional High-Energy Illumination in Semiconductor Heterostructures.”https://doi.org/10.1134/s1063783418080036__Physics of the Solid State 60, no. 8 (2018): 1611–17.https://doi.org/10.1134/s1063783418080036 .