Gaurav Upadhyay and  Nand Kishore and  Prashant Ranjan and  Shivesh Tripathi and  V. S. Tripathi,  PIN-Diode Based Slotted Reconfigurable Multiband Antenna Array for Vehicular Communication .   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2018, vol. 133(1). 16 - 19
    [viewed 19 October 2019]. Available from: https://publications.waset.org/pdf/10009362.