Ankan Bhattacharya, Bappadittya Roy, Santosh K. Chowdhury, 和 Anup K. Bhattacharjee, 《A Compact Fractal Monopole Antenna with Defected Ground Structure for Wideband Communication》, ACES Journal, 卷 33, 期 03, 页 347–350, 7月 2021.