1. Findlater, Leah and Jacob O. Wobbrock, "From plastic to pixels: In search of touch-typing touchscreen keyboards," Interactions, Vol. 19, No. 3, 44-49, May 2012.
2. Pickering, J. A., "Touch-sensitive screens: The technologies and their application," International Journal of Man-Machine Studies, Vol. 25, No. 3, 249-269, Sep. 1986.
3. Ouyang, Chenglan, Di Liu, Ke He, and Jiahao Kang, "Recent advances in touch sensors for flexible displays," IEEE Open Journal of Nanotechnology, Vol. 4, 36-46, 2022.
4. Anwer, Abdul Hakeem, Nishat Khan, Mohd Zahid Ansari, Sang-Soo Baek, Hoon Yi, Soeun Kim, Seung Man Noh, and Changyoon Jeong, "Recent advances in touch sensors for flexible wearable devices," Sensors, Vol. 22, No. 12, 4460, Jun. 2022.
5. Kwon, Oh-Kyong, Jae-Sung An, and Seong-Kwan Hong, "Capacitive touch systems with styli for touch sensors: A review," IEEE Sensors Journal, Vol. 18, No. 12, 4832-4846, Jun. 2018.
6. Kang, Minpyo, Jejung Kim, Bongkyun Jang, Youngcheol Chae, Jae-Hyun Kim, and Jong-Hyun Ahn, "Graphene-based three-dimensional capacitive touch sensor for wearable electronics," ACS Nano, Vol. 11, No. 8, 7950-7957, Aug. 2017.
7. Kim, Hong-Ki, Seunggun Lee, and Kwang-Seok Yun, "Capacitive tactile sensor array for touch screen application," Sensors and Actuators A: Physical, Vol. 165, No. 1, 2-7, Jan. 2011.
8. Cooper, Christopher B., Kuralamudhan Arutselvan, Ying Liu, Daniel Armstrong, Yiliang Lin, Mohammad Rashed Khan, Jan Genzer, and Michael D. Dickey, "Stretchable capacitive sensors of torsion, strain, and touch using double helix liquid metal fibers," Advanced Functional Materials, Vol. 27, No. 20, 1605630, May 2017.
9. Sarwar, Mirza S., Ryusuke Ishizaki, Kieran Morton, Claire Preston, Tan Nguyen, Xu Fan, Bertille Dupont, Leanna Hogarth, Takahide Yoshiike, Ruixin Qiu, et al. "Touch, press and stroke: A soft capacitive sensor skin," Scientific Reports, Vol. 13, No. 1, 17390, Oct. 2023.
10. Lee, Chang-Ju, Jong Kang Park, Canxing Piao, Han-Eol Seo, Jaehyuk Choi, and Jung-Hoon Chun, "Mutual capacitive sensing touch screen controller for ultrathin display with extended signal passband using negative capacitance," Sensors, Vol. 18, No. 11, 3637, Oct. 2018.
11. Boybay, Muhammed Said and Omar M. Ramahi, "Material characterization using complementary split-ring resonators," IEEE Transactions on Instrumentation and Measurement, Vol. 61, No. 11, 3039-3046, 2012.
12. Movchan, A. B. and S. Guenneau, "Split-ring resonators and localized modes," Physical Review B --- Condensed Matter and Materials Physics, Vol. 70, No. 12, 125116, Sep. 2004.
13. Naqui, Jordi, Lijuan Su, Javier Mata, and Ferran Martín, "Recent advances in the modeling of transmission lines loaded with split ring resonators," International Journal of Antennas and Propagation, Vol. 2015, No. 1, 792750, 2015.
14. García-García, J., F. Martín, J. D. Baena, R. Marqués, and L. Jelinek, "On the resonances and polarizabilities of split ring resonators," Journal of Applied Physics, Vol. 98, No. 3, 033103, Aug. 2005.
15. Hao, Xiaoyuan, Yupeng Chen, Mai Liu, Xuetao Min, Xiaomeng Cheng, Qiu Wang, Quan Xu, Xueqian Zhang, and Jiaguang Han, "Recent advances in terahertz manipulations using C-shape-split-ring-resonator metasurfaces," Advanced Optical Materials, Vol. 12, No. 15, 2302975, May 2024.
16. Moser, H. O., B. D. F. Casse, O. Wilhelmi, and B. T. Saw, "Terahertz Response of a Microfabricated Rod–Split-Ring-Resonator Electromagnetic Metamaterial," Physical Review Letters, Vol. 94, No. 6, 063901, Feb. 2005.
17. Vovchuk, Dmytro, Mykola Khobzei, and Mykhailo Khavruniak, "Sensing Properties of SRR: Influence of finger touching," 2019 IEEE International Scientific-Practical Conference Problems of Infocommunications, Science and Technology (PIC S&T), 799-802, Kyiv, Ukraine, Oct. 2019.
18. Liu, Weina, Haoran Sun, and Lei Xu, "A microwave method for dielectric characterization measurement of small liquids using a metamaterial-based sensor," Sensors, Vol. 18, No. 5, 1438, 2018.
19. Puentes, Margarita, Martin Schüßler, and Rolf Jakoby, "2D sensor array based on Split Ring Resonators for monitoring of organic tissue," SENSORS, 2011 IEEE, 272-275, Limerick, Ireland, Oct. 2011.
20. Ebrahimi, Amir, Withawat Withayachumnankul, Said Al-Sarawi, and Derek Abbott, "High-sensitivity metamaterial-inspired sensor for microfluidic dielectric characterization," IEEE Sensors Journal, Vol. 14, No. 5, 1345-1351, 2014.
21. Choi, Sungjin, Seunghyun Eom, Manos M. Tentzeris, and Sungjoon Lim, "Inkjet-printed electromagnet-based touchpad using spiral resonators," Journal of Microelectromechanical Systems, Vol. 25, No. 5, 947-953, Oct. 2016.
22. Memon, Muhammad Usman, Ahmed Salim, Heijun Jeong, and Sungjoon Lim, "Metamaterial inspired radio frequency-based touchpad sensor system," IEEE Transactions on Instrumentation and Measurement, Vol. 69, No. 4, 1344-1352, Apr. 2020.
23. Nikitin, Pavel, "Leon Theremin (Lev Termen)," IEEE Antennas and Propagation Magazine, Vol. 54, No. 5, 252-257, 2012.
24. Mathew, K., The evolution of the theremin, Capstone Projects and Master’s Theses, California State Univ California State University, Monterey Bay, CA, USA, May 2019.
25. Skeldon, Kenneth D., Lindsay M. Reid, Viviene McInally, Brendan Dougan, and Craig Fulton, "Physics of the Theremin," American Journal of Physics, Vol. 66, No. 11, 945-955, Nov. 1998.
26. Capolino, Filippo, Applications of Metamaterials, CRC Press, 2017.
27. Harnsoongnoen, Supakorn, "Microwave sensors based on coplanar waveguide loaded with split ring resonators: A review," KMUTNB International Journal of Applied Science and Technology, Vol. 12, No. 4, 224-234, 2018.