Double-pulse induced harmonic generation in laser-produced plasmas Rashid A. Ganeev, Masayuki Suzuki, Shin Yoneya and Hiroto Kuroda Eur. Phys. J. D, 69 12 (2015) 284 Published online: 17 December 2015 DOI: 10.1140/epjd/e2015-60458-y