1. Bahr, A.J. (1982) Microwave nondestructive testing methods, Gordon & Breach, Newark, NJ.
2. Bakhtiari, S. and Zoughi, R. (1990) Microwave thickness measurement of lossy layered dielectric slabs using incoherent reflectivity,Research in Nondestructive Evaluation
2(3), pp. 157–68.
3. Bakhtiari, S. (1992) Open-ended sensors for microwave nondestructive evaluation of layered composite media, Ph.D. Dissertation, Colorado State University.
4. Bakhtiari, S., Ganchev, S. and Zoughi, R. (1993a) Microwave swept-frequency optimization for accurate thickness or dielectric property monitoring of conductor-backed composites,Materials Evaluation,51(6), pp. 740–43.
5. Bakhtiari, S., Ganchev, S. and Zoughi, R. (1993b) Open-ended rectangular waveguide for nondestructive thickness measurement and variation detection of lossy dielectric slabs backed by a conducting plate,IEEE Transactions on Instrumentation and Measurement,42(1), pp. 19–24.