Wang, Y. , Goh, W. , Lee, J. , Chai, K. , Je, M.. "Resonant-Based Capacitive Pressure Sensor Read-Out Oscillating at 1.67 GHz in 0.18 ". World Academy of Science, Engineering and Technology, Open Science Index 79, International Journal of Electronics and Communication Engineering, (2013), 7(7), 812 - 815.