1. Troughton P. Measurement
Techniques in Microstrip. // *Electron. Lett.* 1969, Vol. 5, No 2, pp. 25 –26.

2.
Wolff
I., Koppik N., Microstrip ring resonator and dispersion measurement on
microstrip lines. // *Electron. Lett.*, 1971, Vol. 7, No 26, pp. 779–781.

3.
Edwards
C. Microstrip measurements. IEEE MTT-S [Int.Microwave Symp. Dig.], Dallas, TX,
1982., pp. 338–341.

4.
Bernard
P. A., Gautray J.M. Measurement of dielectric constant using a microstrip ring
resonator. // *IEEE Trans. Microwave Theory Tech*., 1991, Vol. 39, pp. 592–595,

5.
Stephenson,
I. M., Easter B. Resonant techniques for establishing the equivalent circuits
of small discontinuities in microstrip. // *Electron. Lett*., 1971, No 7, pp.
582–584.

6.
Hoefer,
W. J. R., Chattopadhyay A. Evaluation of the equivalent circuit parameters of
microstrip discontinuities through perturbation of a resonant ring. // *IEEE Trans.
Microwave Theory Tech*. 1975, Vol. 23, pp. 1067–1071.

7.
Jovanovic,
S., Nesic A. Microstrip bandpass filter with new type of capacitive coupled
resonator. // *Electron. Lett.*, 2005, Vol. 41, No 1, pp. 12–13.

8.
Prabhu
S., Mandeep J.S. Microstrip bandpass filter at S-band using capacitive coupled
resonator. // *Prog. Electromagn. Res. PIER*. 2007, Vol. 76, pp. 223–228.

9.
Parker,
E. A., Hamdy S. M. A. Rings as elements for frequency selective surface. // *Electron. Lett.*, 1981, Vol. 17, No 17, pp. 612–614,

10. Nagel M., Richter F., Haring-Bol´ıvar
P., et al. A
functionalized THz sensor for marker-free DNA analysis. // *Phys. Med. Biol*. 2003, Vol. 48 pp.
3625–3636.

11. Divin, Y., Snezhko, A.,
Poppe U., et al. Terahertz Applications of Hilbert-Transform Spectral Analysis.
// *IEEE Transactions on Applied Superconductivity*, 2014, Vol. 24, No 4, p.1500807.

12.
Pavlovskii, V.V., Gundareva, I.I., Volkov, O.Yu., et al. Extension of the
frequency range of Josephson impedance spectroscopy. // *Journal of Communications Technology and
Electronics*, 2013, Vol. 58, No 9, pp. 951-955.

13. Snezhko A.V,, Gubankov V.N.
Coupling of bicrystal Josephson junction and planar resonator. // *Nelineinyi Mir
- Nonlinear World*, 2015, Vol. 13,No 2, pp.
46 – 48. (In Russian)

14. Volkov, O.Yu., Gubankov V.N.,
Gundareva, I.I., et al. Josephson spectroscopy for local diagnostics of planar
resonator systems in the millimeter wave band. // *Journal of Communications
Technology and Electronics*, 2015, Vol. 60 No 9, pp 1006-1010.

15. Snezhko A., Volkov O., Gubankov
V.,, et al. Frequency Characterization of Planar Resonators by terahertz
Josephson spectroscopy. [Progress In Electromagnetics Research Symposium] July
6-9, 2015, Prague, Czech Republic.

16. A.Snezhko, O.Volkov,
V.Gubankov, et al. Spectral Characterization of Planar Resonators by terahertz
Josephson spectroscopy». // [40th International Conference on Infrared,
Millimeter and Terahertz Waves] August 23-28, 2015. Hong Kong, China.

17. Snezhko A., Pavlovskiy V.,
Gubankov V., et al. Frequency‐Selective Analysis Of THz
Photonic Elements By The Ac Josephson Effect. [41th International Conference on
Infrared, Millimeter and Terahertz Waves] September 25-30, 2016. Copenhagen,
Denmark.

18. Snezhko A., Pavlovskiy V.,
Gubankov V. Equivalent circuit of planar open ring resonator interacting with
Josephson junction in terahertz frequency range. // *Zhurnal Radioelektriniki-Journal of Radio Electronics*,
2015, No 11, URL:
http://jre.cplire.ru/jre/nov15/9/text.pdf.
(In Russian)

19. Divin, Yu.Ya.,
Kotelyanskij, I.M., Gubankov, V.N. Bicrystal Josephson junctions for terahertz
Hilbert-transform spectroscopy. // *Journal of Communications Technology and
Electronics*, 2003, Vol. 48, No 10, Ń. 1238-1249.

20. Enkrich C., Wegener M.,
Linden S., et al. Magnetic Metamaterials at Telecommunication and Visible Frequencies.
// *Phys. Rev. Lett*. 2005, Vol.95, p. 203901.