Yong Wang and  Wang Ling Goh and  Jung Hyup Lee and  Kevin T. C. Chai and  Minkyu Je,  Resonant-Based Capacitive Pressure Sensor Read-Out Oscillating at 1.67 GHz in 0.18 .   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2013, vol. 79(7). 812 - 815
    [viewed 28 January 2022]. Available from: https://publications.waset.org/pdf/16257.