1. Mubarak, K., K.J. Bois and R. Zoughi, "A simple, Robust and On-Site Microwave Technique for Determining Water-to-Cement (w/c) Ratio of fresh Portland Cement-Based Materials," IEEE Transactions on Instrumentation and Measurement, vol. 50, no. 5, pp. 1255-1263, October 2001.

2. Bois, K., A. Benally and R. Zoughi, "Near-Field Microwave Non-Invasive Determination of NaCl in Mortar," IEE proceedings - Science, Measurement and Technology, Special Issue on Non-destructive Testing and Evaluation, vol. 148, no. 4, pp. 178-182, July 2001.
3. Handjojo, L., K.J. Bois, J. Bauer, R. Hamilton and R. Zoughi, "Broad-Band Microwave Dielectric Property Characterization of Various Glass Specimens," Nondestructive Testing & Evaluation, 2000.
4. Bois, K., A. Benally and R. Zoughi, "Microwave Near-Field Reflection Property Analysis of Concrete for Material Content Determination," IEEE Transactions on Instrumentation and Measurement, vol. 49, no. 1, pp. 49-55, February 2000.
5. Bois, K, L. Handjojo, A. Benally, K. Mubarak and R. Zoughi, "Dielectric Plug-Loaded Two-Port Transmission Line Measurement Technique for Dielectric Property Characterization of Granular and Liquid Materials," IEEE Transactions on Instrumentation and Measurement, vol. 48, no. 6, pp. 1141-1148, December 1999.
6. Bois, K., A. Benally and R. Zoughi, "An Exact MultiMode Solution for the Reflection Properties of an Open-Ended Rectangular Waveguide Radiating into a Dielectric Half-Space: Forward and Inverse Problems," IEEE Transactions on Instrumentation and Measurement, vol. 48, no. 6, pp. 1131-1140, December 1999.
7. Bois, K.J., A.D. Benally, P.S. Nowak and R. Zoughi, "Cure-State Monitoring and Water-to-Cement Ratio Determination of Fresh Portland Cement Based Materials Using Near Field Microwave Techniques," IEEE Transactions on Instrumentation and Measurement, vol. 47, no. 3, pp. 628-637, June 1998.
8. Qaddoumi, N. and R. Zoughi, "Preliminary Study of the Influences of Effective Dielectric Constant and Non-Uniform Probe Aperture Field Distribution on Near-Field Microwave Images," Materials Evaluation, vol. 55, no. 10, pp. 1169-1173, October, 1997.
9. Bois, K., A. Benally, P.S. Nowak and R. Zoughi, "Microwave Nondestructive Determination of Sand to Cement (s/c) Ratio in Mortar," Research in Nondestructive Evaluation, vol. 9, no. 4, pp. 227-238, 1997.
10. Qaddoumi, N., S. Ganchev and R. Zoughi, "Microwave Diagnosis of Low Density Glass Fibers with Resin Binder," Research in Nondestructive Evaluation, vol. 8, no. 3, pp. 177-188, 1996.
11. Gray, S., S. Ganchev, N. Qaddoumi, G. Beauregard, D. Radford and R. Zoughi, "Porosity Level Estimation in Polymer Composites Using Microwaves," Materials Evaluation, vol. 53, no. 3, pp. 404-408, March, 1995.
12. Ganchev, S., N. Qaddoumi, D. Brandenburg, S. Bakhtiari, R. Zoughi and J. Bhattacharyya, "Microwave Diagnosis of Rubber Compounds," IEEE Transactions on Microwave Theory and Techniques, vol. 42, no. 1, pp. 18-24, January, 1994.
13. Ganchev, S., S. Bakhtiari and R. Zoughi, "A Novel Numerical Technique for Dielectric Measurement of Lossy Dielectrics," IEEE Transactions on Instrumentation and Measurement, vol. IM-41, no. 3, pp. 361-365, June, 1992.
14. Hughes, D. and R. Zoughi, "A Method for Evaluating the Dielectric Properties of Composites Using a Combined Embedded Modulated Scattering and Near-Field Microwave Nondestructive Testing Technique," Proceedings of the IEEE Instrumentation and Measurement Technology Conference, pp. 1882-1886, Budapest, Hungary, May 21-23, 2001.
15. Hu, C., A. Benally, T. Case, R. Zoughi and K. Kurtis, "Influence on the Near-Field Microwave Reflection Properties of Chloride in Mortar Specimens Made of Cement Types II, III and V at X- and S-Bands," Proceedings of the SPIE'2000 Conference, vol. 4129, pp. 31-38, San Diego, CA, July 30-August 4, 2000.
16. Hu, C., T. Case, M. Castle, R. Zoughi and K. Kurtis, "Microwave Evaluation of Accelerated Chloride Ingress in Mortar," Proceedings of the Twenty-seventh Annual Review of Progress in Quantitative Nondestructive Evaluation, vol. 20A, pp. 467-473, Ames, IA, July 17-21, 2000.
17. Bois, K., A.D. Benally, P.S. Nowak and R. Zoughi, "Application of Near-Field Microwave Sensing Techniques for Aggregate Segregation Detection in Concrete Members," Proceedings of the Twenty-sixth Annual Review of Progress in Quantitative Nondestructive Evaluation, vol. 19B, pp. 1717-1722, Montreal, Quebec, Canada, July 25-30, 1999.
18. Benally, A.D., K.J. Bois, P.S. Nowak and R. Zoughi, "Microwave Nondestructive Detection of Chloride in Cement Based Materials," Proceedings of the Ninth International Symposium on Nondestructive Characterization of Materials (Organized by Johns Hopkins University Center for Nondestructive Evaluation), pp. 81-86, Sydney, Australia, June 28- July 2, 1999.
19. Frank, M.D., L. Handjojo, N. Qaddoumi and R. Zoughi, "Determination of Anisotropy in Glass Fibers Using Polarization of Microwave Fields," Proceedings of the Ninth International Symposium on Nondestructive Characterization of Materials (Organized by Johns Hopkins University Center for Nondestructive Evaluation), pp. 57-62, Sydney, Australia, June 28- July 2, 1999.
20. Bois, K.J., A.D. Benally, P.S. Nowak and R. Zoughi, "Dielectric Properties of Concrete at S- and X-Band: A Near-Field Investigation," Proceedings of the SPIE'99 Subsurface Sensors and Applications Conference, vol. 3752, pp. 12-18, Denver, CO, July 18-23, 1999.
21. Handjojo, L., K. Bois, N. Qaddoumi and R. Zoughi, "Wide-Band Dielectric Characterization of Paint and Rust for Detection of Corrosion Under Paint," Presented at the National Radio Science Meeting, URSI, Boulder CO, January 5-9, 1998.
22. Bois, K., A. Benally and R. Zoughi, "Two-Port Network Analyzer Dielectric Constant Measurement of Granular or Liquid Materials for the Study of Cement Based Materials," Proceedings of the Eighth International Symposium on Nondestructive Characterization of Materials, vol. VIII, pp. 291-296, Boulder, CO, June 15-20, 1997.
23. Bois, K., R. Mirshahi and R. Zoughi, "Dielectric Mixing Models for Cement Based Materials," Proceedings of the Review of Progress in Quantitative NDE, vol. 16A, pp. 657-663, Plenum Press, NY, 1997.

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