Spectral analysis of backreflected light and harmonic generation in a co2 laser-target interaction experiment C. Garban, E. Fabre, C. Stenz, C. Popovics, J. Virmont et F. Amiranoff J. Physique Lett., 39 11 (1978) 165-169 DOI: 10.1051/jphyslet:019780039011016500