Microwave generation of X-waves by means of a planar leaky-wave antenna. - Comite, D.; Fuscaldo, W.; Podilchak, S. K.; Gómez-Guillamón Buendía, V.; Hilario Re, P. D.; Baccarelli, P.; Burghignoli, P.; Galli, A. (Applied Physics Letters, 2018)