High-order harmonic generation from plasma mirrors C. Thaury, F. Quéré, H. George, J. P. Geindre, P. Monot and Ph. Martin Eur. Phys. J. Special Topics, 175 (2009) 43-48 Published online: 07 August 2009 DOI: 10.1140/epjst/e2009-01115-6