First experimental programs with the free electron laser G. Margaritondo, C. Coluzza, J.-L. Staehli, E. Tuncel, J. T. McKinley, R. G. Albridge, A. V. Barnes, A. Ueda, X. Yang et N. H. TolkJ. Phys. IV France, 04 C9 (1994) C9-357-C9-364DOI: https://doi.org/10.1051/jp4:1994960