Comment on "A waveguide slit array antenna fabricated with subwavelength periodic grooves Appl. Phys. Lett. 91 143512 (2007)"

1. Beruete, M.
2. Falcone, F.
3. Sorolla, M.
4. Campillo, I.
5. Dolado, J.S.
6. Rodríguez-Seco, J.E.
7. Perea, E.