Pierre D. Mourad and Steven G. Kargl, ``Acoustic properties of fluid-saturated blood clots,'' J. Acoust. Soc. Am.

Ibrahim M. Hallaj, Robin O. Cleveland, Paul E. Barbone, Steven G. Kargl, and Ronald. A. Roy, ``Time reversal invariance and the nonlinear absorbing wave equation,'' J. Acoust. Soc. Am.

S.V. Gor'kova, S. Kargl, and V.A. Khokhlova, ``Nonlinear and diffraction effects in acoustics beams of cylindrical symmetry,'' Acoust. Phys., 45, 545-551 (1999)

Ibrahim M. Hallaj, Robin O. Cleveland,and Steven G. Kargl, ``Modeling and simulating finite-amplitude propagation through time-varying inhomogeneous absorbing media,'' J. Acoust. Soc. Am., 105, 957(A) (1999).