Rainsford, Tamath J.; Samuel P. Mickan; Derek Abbott. T-ray sensing applications: review of global developments. Proc. SPIE (Conference Location: Sydney, Australia 2004-12-13: The International Society for Optical Engineering). 9 March 2005,. 5649 Smart Structures, Devices, and Systems II (Poster session): 826–838. doi:10.1117/12.607746.
Alici, Kamil Boratay; Özbay, Ekmel. Radiation properties of a split ring resonator and monopole composite. Physica status solidi (b). 2007, 244 (4): 1192–96. Bibcode:2007PSSBR.244.1192A. doi:10.1002/pssb.200674505.
Prati, Enrico. Microwave propagation in round guiding structures based on double negative metamaterials. International journal of infrared and millimeter waves. 2006, 27 (9): 1227––1239. doi:10.1007/s10762-006-9134-3.
Alici, Kamil Boratay; Özbay, Ekmel. Radiation properties of a split ring resonator and monopole composite. Physica status solidi (b). 2007, 244 (4): 1192–96. Bibcode:2007PSSBR.244.1192A. doi:10.1002/pssb.200674505.