@article {pompili2022free,
	title = {Free-electron lasing with compact beam-driven plasma wakefield accelerator},
	journal = {Nature},
	volume = {605},
	number = {7911},
	year = {2022},
	pages = {659{\textendash}662},
	publisher = {Nature Publishing Group UK London},
	author = {Pompili, R and Alesini, D and Anania, MP and Arjmand, S and Behtouei, M and Bellaveglia, M and Biagioni, A and Buonomo, B and Cardelli, F and Carpanese, M and others}
}
