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Hung-Wen Chang and Tso-Lun Wu, "Numerical Solutions of Matrix Riccati Equation for Radiative Transport
problems in a Plane-Parallel Geometry, Waves in Random Media, 7, pp.146-168(1997).

_{Yasuo Kuga, A. Ishimaru, H.-W. Chang and L. Tseng, "Comparisons Between the Small-Angle Approximation and the Numerical Solution for Radiative Transfer Theory," Appl. Opt. 25, pp. 3803-3805 (1986).}

_{Hung-Wen Chang and A. Ishimaru, "Beam Wave Propagation and Scattering in Random Media Based on the Radiative Transfer Theory," Journal of Wave-Material Interaction pp. 41-69, Vol. 2, No. 1, (1987).}

_{Robert Burridge and H.-W. Chang, "Multimode, One-dimensional Wave Propagation in a Highly Discontinuous Medium," Wave Motion 11, pp. 231-249 (1989).}

_{Robert Burridge and H.-W. Chang, "Pulse Evolution in a Multimode, One-dimensional Highly Discontinuous Medium," Elastic Wave Propagation McCarthy & Hayes, (Editors) Elsevier Science Publishers B. V. (North-Holland), pp. 229-234 (1989).}

_{Maarten de Hoop, R. Burridge and H.-W. Chang, "Wave Propagation with Tunneling in a Highly Discontinuous Medium," Wave Motion, 13, pp. 307-327 (1991).}

_{Maarten de Hoop, H.-W. Chang and R. Burridge, "The Pseudo-Primary Field Due to a Point Source in a Finely Layered Medium," Geophysical Journal International, 104, pp. 489-506 (1991).}

_{Eveline Ayme-Bellegarda, T. Habashy and H.-W. Chang, "Forward Ultrasonic Scattering from Multidimensional Solid or Fluid Inclusions Buried in Multi-layered Elastic Structures," IEEE Transaction on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 39, No.1, pp.1-10 (1992).}

_{Hung-Wen Chang and Tso-Lun Wu, "Matrix Riccati Equation Formulation for Radiative Transfer in a Plane-Parallel Geometry," submitted to Waves in Random Media, (1996).}

_{Hung-Wen Chang and Tso-Lun Wu, "Numerical Solutions of Matrix Riccati Equation for Radiative Transport problems in a Plane-Parallel Geometry," submitted to Waves in Random Media, (1996).}

_{Hung-Wen Chang, "3-D Reflection/Transmission Coefficients from Cylindrical Layered Elastic Media 1987 IEEE Ultrasonics Symposium pp. 455-459 (1987).}

_{Hung-Wen Chang and C. J. Randall, "Finite-Difference Time-Domain Modelling of Elastic Wave Propagation in Cylindrical Coordinate System," 1988 IEEE Ultrasonics Symposium pp. 397-402 (1988).}

_{Robert Burridge and H.-W. Chang, "Multimode, One-dimensional Wave Propagation in a Highly Discontinuous Medium," IUTAM symposium on Elastic Wave Prorogation, Galway, Ireland (1988).}

_{Robert Burridge and H.-W. Chang, "Wave Propagation in a Highly Discontinuous Layered Elastic Medium," 1988 SEG Annual Expanded Technical Program Abstracts pp. 1350-1352 (1988).}

_{Maarten de Hoop, H.-W. Chang and R. Burridge, "Point-Source Response in a Highly Discontinuous Medium," Venice-1/Symposium on Applied and Industrial Mathematics, Venice, ITALY, (1989).}

_{Fred E. Stanke and H.-W. Chang, "Hybrid Model for Inspection of Complex Structures," 1989 IEEE Ultrasonics Symposium, pp. 1129-1133 (1989).}

_{Da-Peng Wang, G. Beylkin, R. Burridge and H.-W. Chang, "GRT Inversion for Elastic Parameter using PP, PS, SP, and SS Seismic Data 1990 SEG Annual Expanded Technical Program Abstracts pp. 1350-1352 (1990).}

_{Hung-Wen Chang and R. Dangelo, "Experimental Verification of Finite-Difference Model for Ultrasonic Evaluation of Complex Structures," 1990 IEEE Ultrasonics Symposium, pp. 965-969 (1990).}

_{Eveline Ayme-Bellegarda, H.-W. Chang and T. Habashy, "Forward Scattering from Solid or Fluid-filled Inclusions Buried in Multi-layered Elastic Structures," 1990 IEEE Ultrasonics Symposium, pp. 971-974 (1990).}

_{Tso-Lun Wu & Hung-Wen Chang, "A Dual Method Approach for Radiative Transport Problems in a Plane-Parallel Geometry," 1994, IEEE-AP, URSI international conference (1994).}

_{Fang-Jeng Lin, Meng-Huei Sheng & Hung-Wen Chang, "An FD-TD study of Optical Cavity Design for Vertical-Cavity Surface-Emitting Laser Diodes," PIERS (Progress in Electromagnetics Research Symposium) 1995 (1995).}

_{Yi-Fang Lin, Meng-Huei Sheng & Hung-Wen Chang, "A Mathematicl Model for Near-Field OPtical Measurement," PIERS (Progress in Electromagnetics Research Symposium) 1995 (1995).}

_{.Ching-Hsiung Chen, Tso-Lun Wu & Hung-Wen Chang, "Calculation of Energy Distribution of a Gaussian Beam in Discrete Random Media Based on Matrix Riccati Equations," PIERS (Progress in Electromagnetics Research Symposium) 1995 (1995).}

_{Yi-Fang Lin and Hung-Wen Chang, "Fields and Waves Near a Conical Tip," 1st (1995) Radio Science Symposium, URSI, ROC (1995).}

_{Fang-Jeng and Hung-Wen Chang, "An FD-TD Study of Dielectric Mirrors Used in Surface-Emitting Laser Diodes," 1st (1995) Radio Science Symposium, URSI, ROC (1995).}

_{Ching-Hsiung Chen and Hung-Wen Chang, "Calculation of Energy Distribution of a Gaussian Beam in Discrete Random Media Based on Matrix Riccati Equations," 1st (1995) Radio Science Symposium, URSI, ROC (1995).}

_{Hung-Wen Chang and A. Ishimaru, "Optical Beam Propagation in Random Medium Based on the Radiative Transfer Theory," 1985 North American Radio Science Meeting and IEEE/AP-S symposium. (1985).}

_{Hung-Wen Chang and A. Ishimaru, "Effects of Finite Beam Width on Laser Beam Propagation and Scattering in Discrete Scattering Media," 1986 OSA Annual Meeting. (1986).}

_{Hung-Wen Chang, "3-D Reflection/Transmission Coefficients from Cylindrical Layered Elastic Media Part I: Theory and Formulation Schlumberger-Doll Research Technical Report (1987).}

_{Hung-Wen Chang and C. J. Randall, "Finite-Difference Time-Domain Modelling of Elastic Wave Propagation in Cylindrical Coordinate System," Schlumberger-Doll Research Technical Report Ridgefield, CT, USA (1987).}

_{Hung-Wen Chang, "Two and a Half Dimensional Finite-Difference Modeling for Ultrasonic and Seismic Applications," Schlumberger Laboratory for Computer Science Technical Report (1992).}

_{Hung-Wen Chang and Ping Lee, "Material-Averageing for Finite Difference Modelling of Elastic Wave Propagation," Schlumberger-Doll Research, Technical Report, Ridgefield, CT, USA (1994).}