3D multi-scale modelling of plasma-based seeded soft X-ray lasers Eduardo Oliva, Elisa V. Fernández-Tello, Manuel Cotelo, Pablo Martínez Gil, José Antonio Moreno and Pedro Velarde Eur. Phys. J. D, 75 11 (2021) 290 Published online: 18 November 2021 DOI: 10.1140/epjd/s10053-021-00298-y