1. C. J. E. Straatsma, M. A. Startsev and A. Y. Elezzabi, J Infrared Milli Terahz Waves (2010) doi: 10.1007/s10762-010-9623-2
2. G. Torosyan, C. Rau, B. Pradarutti, and R. Beigang, Appl. Phys. Lett. 85, 3372 (2004)
3. C. S. Ponseca Jr., O. Kambara, S. Kawaguchi, K. Yamamoto and K. Tominaga, J Infrared Milli Terahz Waves (2010) doi: 10.1007/s10762-010-9636-x
4. B. Born and M. Havenith, J Infrared Milli Terahz Waves 30, 1245 (2009)
5. C. a. Weg, W. v. Spiegel, R. Henneberger, R. Zimmermann, T. Loeffler, and H. G. Roskos, J Infrared Milli Terahz Waves 30 1281 (2009)