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• L. Sevgi, A. M. Ponsford, H. C. Chan, “An Integrated Maritime Surveillance System Based on Surface Wave HF Radars, Part I – Theoretical Background and Numerical Simulations,” IEEE Antennas and Propagation Magazine, (4), pp.28-43, Aug. 2001.
• A. M. Ponsford, L. Sevgi, H.C. Chan, “An Integrated Maritime Surveillance System Based on Surface Wave HF Radars, Part II – Operational Status and System Performance,” IEEE Antennas and Propagation Magazine, 43 (5), pp.52-63, Oct. 2001.
• A. N. Ince, E. Topuz, E. Panayirci, C. I¸sık, Principles of Integrated Maritime Surveillance Systems, Kluwer Academic, Boston, 2000.
• L. Sevgi, Complex Electromagnetic Problems and Numerical Simulation approaches, IEEE - John Wiley Press, NJ, May 2003.
• CCIR, “Ground wave Propagation Curves for Frequencies Between 10kHz and 30MHz,” CCIR Rec. 368-6, 1990.
• J. R. Wait, “On the Theory of Mixed-path Ground-wave Propagation on a Spherical Earth,” J. Research NBS, D, pp.401-410, 1961
• L. Sevgi, “A Numerical Millington Propagation Package for Medium and Short Wave DRM Systems Field Strength Predictions,” IEEE Broadcast Technology Society Newsletter, 14 (3), pp. 9-11, Fall 2006.
• L. Sevgi, “A Mixed-Path Groundwave Field Strength Prediction Virtual Tool for Digital Radio Broadcast Systems in Medium and Short Wave Bands,” IEEE Antennas and Propagation Magazine, 48 (4), pp.19-27, Aug 2006.
• G. Millington, “Ground Wave propagation over an Inhomogeneous Smooth Earth,” Proc. IRE, Part III, 96 (39), pp.53-64, Jan 1949.
• L. Sevgi, F. Akleman, L. B. Felsen, “Ground Wave Propagation Modeling: Problem-matched Analytical Formula- tions and Direct Numerical Techniques,” IEEE Antennas and Propagation Magazine, 44 (1), pp.55-75, Feb. 2002.
• L. Sevgi, L. B. Felsen, “A new Algorithm for Ground Wave Propagation Problems Based on a Hybrid Ray-Mode Approach,” Int. Journal of Numerical Modeling, 11 (2), pp.8-103, Mar-Apr 1998.
• L. Sevgi, “Modeling and Simulation Strategies for Electromagnetic Wave Propagation in Complex Environments: Groundwave Path Loss Prediction Virtual Tools,” IEEE Transactions on Antennas and Propagation, 55 (6), pp.1591-1598, Jun 2007.
• L. Sevgi, “Novel digital Broadcast/Communication Systems and Groundwave Propagation Prediction Require- ments,” EuCAP 2006, The Şrst ESA European Conference on Antennas and Propagation, Nov 6-10, Nice, 2006.
• G. Apaydın, L. Sevgi, “FEM-based surface wave multi-mixed-path propagator and path loss predictions,” IEEE Antennas and Wireless Propagation Letters, Vol. 8, pp. 1010-1013, Apr. 2009.
• G. Apaydın, L. Sevgi, “Numerical Investigations of and Path Loss Predictions for Surface Wave Propagation over Sea Paths Including Hilly Island Transitions,” IEEE Trans. on Antennas and Propagat. vol.58, No. 4, pp. 1302-1314, June 2009.
• L. Sevgi, “Stochastic Modeling of Target Detection and Tracking in Surface Wave High Frequency Radars,” Int. J. of Numerical Modeling, 11 (3), pp.167-l81, May-Jun 1998.
• A. M. Ponsford, S. K. Srivastava, “A Comparison between Measured and Modeled Radar Cross Section from a Ground wave Radar,” Proc. of IEE 5th Int. Conf. on HF Systems and Techniques, IEE339, pp.61-65, Edinburgh, S. K. Srivastava, A. M. Ponsford, “Long Range Detection of Icebergs using Ground wave Radar,” Proc. of Int. Offshore and Polar Eng. Conf., 2, pp.471-476, Edinburgh, 1991.
• E. D. R. Shearman, “Propagation and Scattering in MF/HF Ground wave Radar,” IEE Proc. F, 130, pp. 579-590, L. Sevgi, “HF Wire Antenna Array Design via FDTD and MoM Techniques,” Proc. of EEE Canadian Conference on Electrical and Computer Engineering, pp.7-12, May 1999, CA.
• L. Sevgi, “Target Reflectivity and RCS Interaction in Integrated Maritime Surveillance Systems Based on Surface Wave HF Radar Radars,” IEEE Antennas and Propagation Magazine, 43 (1), pp. 36-51, Feb. 2001.
• L. Sevgi, S. Paker, “FTDT based RCS Calculations and Antenna Simulations,” AEU, International J. of Electronics and Communication, 52 (2), pp.65-75, Mar 1998.
• CCIR Recommendations, “Characteristics and Applications of Atmospheric Radio Noise Data,” CCIR Rec. 322-3, L. Sevgi, A. M. Ponsford, “Propagation and Interference Characteristics of Surface Wave HF Radars,” URSI, XXVIth General Assembly, Aug.13-21, 1999, CA.
• C. I¸sık and L. Sevgi, “Atmospheric noise and spectrum occupancy measurements,” Technical Report, UZUN UFUK Project, Jul-Aug 1996.
• D. Barrick, “First Order Theory and Analysis of MF/HF/VHF Scatter from the Sea,” IEEE Trans. Antennas and Propagat., AP-20, pp.2-10, 1972.
• K. Hasselman, “Determination of Ocean Wave Spectra from Doppler Radio Return from the Sea Surface,” Nature Phys. Sci., 229, pp. 16-17, 1971.
• R. Howell, J. Walsh, “Measurement of Ocean Wave Spectra using Narrow Beam HF Radar,” Proc. of 12th Can. Symp. on Remote Sensing, IGARSS’89, Vancouver, BC, 5, pp.2969-2972. 1989.
• B.J. Lipa, D.F. Barrick, “Extraction of Sea State from HF Radar Sea Echo,” Radio Sci., 21, pp. 81-100, 1986.
• L. R. Wyatt, “The Measurement of the Ocean Wave Directional Spectrum from HF Radar Doppler Spectra,” Radio Sci., 21, pp 473-485, 1986.
• F. Gott, N. F. Wong, S. Dutta, “Occupancy Measurements Across the Entire HF Spectrum,” AGARD Conf. Publ. , Paris 1982.
• C¸ . Uluı¸sık, G. C¸ akır, M. C¸ akır, L. Sevgi, “Radar Cross section (RCS) Modeling and Simulation: Part I – DeŞnitions, Strategies, and Canonical Examples,” IEEE Antennas and Propagation Magazine, 50 (1), pp.115-126, Feb 2008.
• G. C¸ akır, M. C¸ akır, L. Sevgi, “Radar Cross section (RCS) Modeling and Simulation: Part II – A Novel FDTD-Based RCS Prediction Virtual Tool,” IEEE Antennas and Propagation Magazine, 50 (2), pp.81-94, Apr 2008.
• L. Sevgi, “Synthetic Radar Signal Environment: Computer Generation of Signal, Noise, and Clutter,” IEEE Antennas and Propagation Magazine, 49 (5), pp.192-198, Oct 2007.