High-order harmonic generation in Ag, Sn, fullerene, and graphene nanoparticle-contained plasmas using two-color mid-infrared pulsesRashid A. Ganeev, Masayuki Suzuki and Hiroto KurodaEur. Phys. J. D, 70 1 (2016) 21DOI: https://doi.org/10.1140/epjd/e2015-60414-y