NagaPavani, G., et al. “An Ultra-Wide Band Printed Small Aperture Tapered Slot Phased Array Antenna Covering 6-18GHZ”. International Journal of Engineering & Technology, vol. 7, no. 4, Sept. 2018, pp. 2628-32, https://doi.org/10.14419/ijet.v7i2.18.12763.