1Xiao-Hai Shen, Guy A.E. Vandenbosch, Antoine R and Van de Capelle. "Study of Gain Enhancement Method for Microstrip Antennas Using Moment Method" , IEEE trans, on Ant. & Prop,. vol. 43, no. 3, Mar. 1995, pp. 227-231.
2T. Huynh and K.F. Lee, "Single-Layer Single-Patch Wideband Microstrip Antenna," Electron. Lett., Vol. 31, No. 16, 1995, pp. 1310-1312.
3K.F. Lee, K.M. Luk, Y.L. Yung, K.F. Tong, and T. Huynh, "Experimental Study of the Rectangular Patch with a U-Shaped Slot," IEEE-APS Inter Symp. Dig., 1996, pp. 10-13.
4K.F. Lee and W. Chen, "Advances in Microstrip and Printed Antennas," Wiley-Interscience, 1997.
