WASET
    Subir Das and  Tuhin Subhra Sarkar and  Badal Chakraborty,  A Semi-Cylindrical Capacitive Sensor Used for Soil Moisture Measurement.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 85(1). 160 - 165
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9997586.