TRW FREE ELECTRON LASER EXPERIMENT C. Shih, G.R. Neil, J. Munch, S. Fornaca, J.A. Edighoffer, M.Z. Caponi et H.E. Boehmer J. Phys. Colloques, 44 C1 (1983) C1-115-C1-123 DOI: 10.1051/jphyscol:1983108