ALLARIA, Enrico, ABRAMI, Alessandro, BADANO, Laura, BOSSI, Maurizio, CAPOTONDI, Flavio, CASTRONOVO, Davide, CAUTERO, Marco, CINQUEGRANA, Paolo, CUDIN, Ivan, DANAILOV, M. B., REBERNIK RIBIČ, Primož and DE NINNO, Giovanni, 2019, First lasing of a free electron laser in the soft x-ray spectral range with echo enabled harmonic generation. In : FEL19 [online]. Published Scientific Conference Contribution. Geneva. 2019. p. 7–10. [Accessed 7 April 2025]. Retrieved from: https://doi.org/10.18429/JACoW-FEL2019-MOA02