1. Moffett, A. L., "Array factors with non uniform spacing parameters," IRE Transactions on Antenna and Propagation, Vol. 10, 131-146, 1962.
doi:10.1109/TAP.1962.1137831

2. Skolnik, M. I., G. Newhauser, and J. M. Sherman, "Dynamic programming applied to unequally spaced arrays," IEEE Transactions on Antennas and Propagation, Vol. 12, 35-43, 1964.
doi:10.1109/TAP.1964.1138163

3. Ishimaru, A. and Y. S. Chen, "Thinning and broadbanding antenna arrays by unequal spacings," IEEE Transactions on Antenna and Propagation, Vol. 12, 34-42, 1965.
doi:10.1109/TAP.1965.1138378

4. Lo, Y. T. and S. W. Lee, "A study of space tapered arrays," IEEE Transactions on Antenna and Propagation, Vol. 14, 22-30, Jan. 1966.
doi:10.1109/TAP.1966.1138612

5. Steinberg, B. D., "Comparison between the peak sidelobe of random array and algorithmically designed aperiodic arrays," IEEE Transactions on Antenna and Propagation, Vol. 21, 366-389, 1973.
doi:10.1109/TAP.1973.1140493

6. Lockwood, G. R., "Optimizing the radiation pattern of sparse periodic linear arrays," IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Vol. 43, No. 1, 7-14, Jan. 1996.
doi:10.1109/58.484457

7. Kirkpatrick, S., C. D. Gellatt, and M. P. Vecchi, "Optimization by Simulated annealing," Science, Vol. 220, No. 4598, 671-680, 1983.
doi:10.1126/science.220.4598.671

8. Murino, V., A. Trucco, and C. S. Regazzoni, "Synthesis of unequally spaced arrays by simulated annealing," IEEE Transactions on Signal Processing, Vol. 44, No. 1, 119-123, Jan. 1996.
doi:10.1109/78.482017

9. Rahmat-Samii, Y. and E. Michielssen, Electromagnetic Optimization by Genetic Algorithms, Wiley, New York, 1999.

10. Haupt, R. L., "Thinned arrays using genetic algorithms," IEEE Transactions on Antenna and Propagation, Vol. 42, No. 7, 993-999, July 1994.
doi:10.1109/8.299602

11. Shimizu, M., "Determining the excitation coefficients of an array using genetic algorithms," IEEE Antenna and Propagation Society International Symposium, Vol. 1, 530-533, June 19-24, 1994.

12. Tennant, A., M. M. Dawoud, and A. P. Anderson, "Array pattern nulling by element position perturbations using genetic algorithm ," IEE Electronics Letters, Vol. 30, No. 3, Feb. 1994.
doi:10.1049/el:19940139

13. Marcano, D., F. Duran, and O. Chang, Synthesis of multiple beam linear antenna arrays using genetic algorithms, Vol. 2, 938-941, IEEE Antenna and Propagation Society International Symposium, June 199.

14. Yan, K. K. and Y. Lu, "Sidelobe reduction in array-pattern synthesis using genetic algorithm," IEEE Transactions on Antennas and Propagation, Vol. 45, No. 7, 1117-1122, July 1997.

15. Robinson, J. and Y. R. Sammi, "Particle swarm optimization in electromagnetics," IEEE Transactions on Antenna and Propagation, Vol. 52, No. 2, 397-407, Feb. 2004.
doi:10.1109/TAP.2004.823969

16. Khodier, M. M., "Linear array geometry synthesis with minimum side lobe level and null control using particle swarm optimization," IEEE Transactions on Antenna and Propagation, Vol. 53, No. 8, 2674-2679, August 2005.
doi:10.1109/TAP.2005.851762

17. Mahmoud, K. R., M. El-Adawy, and S. M. M. Ibrahem, "A comparison between circular and hexagonal array geometries for smart antenna systems using particle swarm optimization algorithm ," Progress In Electromagnetics Research, Vol. 72, 75-90, 2007.
doi:10.2528/PIER07030904

18. Lu, Z. B., A. Zhang, and X. Y. Hou, "Pattern synthesis of cylindrical conformal array by the modified particle swarm optimization algorithm ," Progress In Electromagnetics Research, Vol. 79, 415-426, 2008.
doi:10.2528/PIER07103004

19. Li, W. T., X. W. Shi, and Y. Q. Hei, "An improved particle swarm optimization algorithm for pattern synthesis of phased arrays," Progress In Electromagnetics Research, Vol. 82, 319-332, 2008.
doi:10.2528/PIER08030904

20. Zainud-Deen, S. H., W. M. Hassen, E. M. Ali, K. H. Awadalla, and H. A. Sharshar, "Breast cancer detection using a hybrid finite difference frequency domain and particle swarm optimization techniques," Progress In Electromagnetics Research B, Vol. 3, 35-46, 2008.
doi:10.2528/PIERB07112703

21. Ali, M. and S. Sanyal, "FDTD analysis of dipole antenna as EMI sensor," Progress In Electromagnetics Research, Vol. 69, 341-359, 2007.
doi:10.2528/PIER06122801

22. Khan, S. N., J. Hu, J. Xiong, and S. He, "Circular fractal monopole antenna for low vswr uwb applications," Progress In Electromagnetics Research Letters, Vol. 1, 19-25, 2008.
doi:10.2528/PIERL07110903

23. Misra, I. S., R. S. Chakrabarty, and B. B. Mangaraj, "Design, analysis and optimization of v-dipole and its three-element Yagi-Uda array," Progress In Electromagnetics Research, Vol. 66, 137-156, 2006.
doi:10.2528/PIER06102604

24. Eldek, A. A., "Design of double dipole antenna with enhanced usable bandwidth for wideband phased array applications," Progress In Electromagnetics Research, Vol. 59, 1-15, 2006.
doi:10.2528/PIER06012001

25. Xu, X.-B. and Y. F. Huang, "An efficient analysis of vertical dipole antennas above a lossy half-space," Progress In Electromagnetics Research, Vol. 74, 353-377, 2007.
doi:10.2528/PIER07052202

26. Khaleghi, A., "Diversity techniques with parallel dipole antennas: radiation pattern analysis," Progress In Electromagnetics Research, Vol. 64, 23-42, 2006.
doi:10.2528/PIER06062401

27. He, Q. Q. and B.-Z. Wang, "Radiation patterns synthesis for a conformal dipole antenna array," Progress In Electromagnetics Research, Vol. 76, 327-340, 2007.
doi:10.2528/PIER07071801

28. Mangaraj, B. B., I. S. Misra, and A. K. Barisal, "Optimizing included angle of symmetrical v-dipoles for higher directivity using bacteria foraging optimization algorithm," Progress In Electromagnetics Research B, Vol. 3, 295-314, 2008.
doi:10.2528/PIERB07121005

29. Ma, M. T., "Theory and Application of Antenna Arrays," Ch. 1, 15–16, John Wiley and Sons, 1974.

30. Padhy, N. P., "Artificial Intelligence and Intelligent Systems," Ch. 10, Oxford University Press, 2005.

31. Godara, L. C., "Handbook of Antennas in Wireless Communications," Ch. 16, CRC Press, 2005.