Steven G. Kargl and Philip L. Marston, ``Background contributions and coupling coefficients for backscattering by thick shells,'' J. Acoust. Soc. Am., 101, 3792-3797 (1997)

Ibrahim M. Hallaj, Robin O. Cleveland, Steven G. Kargl, and Ronald A. Roy, ``FDTD simulation of transcranial focusing using ultrasonic phase-conjugate arrays,'' in Acoustical Imaging, Ed. S. Lees and L. A. Ferrair, 23, 61-66 (1997)

Ibrahim M. Hallaj, Steven G. Kargl, and Ronald Roy, ``Retrodirective array performance case studies and implications for mine countermeasures,'' in Proc. of Conf. High Frequency Acoustics in Shallow Water, (SACLANT, Lerici, Italy, 1997), 215-220

Ibrahim M. Hallaj, Steven G. Kargl, and Paul E. Barbone, ``Acoustic time reversal in nonlinear wave propagation,'' J. Acoust. Soc. Am., 102 3172(S) (1997)

Ibrahim M. Hallaj, Steven G. Kargl, and Ronald A. Roy, ``Time reverversal array focal zone predictions using simulations in the time domain,'' J. Acoust. Soc. Am., 101 3190(S) (1997)