M. Panfilova, S. Michaelis de Vasconcellos, A. Pawlis, K. Lischka, and A. Zrenner, “Resonant photocurrent-spectroscopy of individual CdSe quantum dots,” Physica E: Low-dimensional Systems and Nanostructures, vol. 42, no. 10, pp. 2521–2523, 2010.