J. Carleone and P.C. Chou, “A One-Dimensional Theory to Predict the Strain and Radius of Shaped Charge Jets,” Proc. 1st Int. Symp. Ballistics, Orlando, FL, 13-15 Nov. 1974.

P.C. Chou, J. Carleone, and R.R. Karpp, “The Effect of Compressibility on the Formation of Shaped Charge Jets,” Proc. 1st Int. Symp. Ballistics, Orlando, FL., 13-15 Nov. 1974.

P.C. Chou, R.D. Ciccarelli, and W.P. Walters, “The Formation of Jets from Hemispherical-Liner Warheads,” Proc. 2^nd Intl. Symp. Ballistics, Daytona Beach, FL, March 1976.

Pei Chi Chou and Richard Toland, “Experimental Study of Multiple Interior Impacts,” Proc. 2^nd Intl. Symp. Ballistics, Daytona Beach, FL, March 1976.

P.C. Chou and J. Carleone, “The Breakup of Shaped-Charge Jets,” Proc. 2nd Int. Symp. Ballistics, Daytona Beach, FL, 9-11 March 1976.

P.C. Chou, J. Carleone, and R Karpp, “Criteria for Jet Formation from Impinging Shells and Plates,” J. Appl. Phys., Vol. 47, no. 7, pp. 2975-2986, July 1976.

P.C. Chou and J. Carleone, “The Stability and Breakup of Shaped-Charge Jets,” Proc. 3rd Int. Symp. Ballistics, Karlsruhe, Germany, 23-25 March 1977.

P.C. Chou, J. Carleone, C.A. Tanzio, and R.D. Ciccarelli, “Shaped Charge Jet Breakup Studies using Radiograph Measurement and Surface Instability Calculations, Ballistic Research Laboratory Contract Report No. 337,” April 1977. AD A040444

P.C. Chou and R. Toland, “Experimental Study of Multiple Interior Impacts,” J. Soc. Exper. Stress Anal. (SESA), Vo1.17, no. 6, June 1977.

P.C. Chou and J. Carleone, “The Stability of Shaped-Charge Jets,” J. Appl. Phys., Vol. 48, no. 10, pp. 4187-4195, Oct. 1977.

J. Carleone, R. Jameson, and P.C. Chou, “The Tip Origin of a Shaped Charge Jet,” Propellants and Explosives, Vol. 2, pp. 126-130, 1977.

J. Carleone, P.C. Chou, and R. Simpson, “A Synthesis Method for Modem Warhead Design,” Proc. 4th Int. Symp. Ballistics, Monterey, CA, 17-19 Oct. 1978.

P.C. Chou, “A Criterion for the Design of Standoff Warhead-Projectile Lethality,” Proc. 5th Int. Symp. Ballistics, Toulouse, France, 16-18 April 1980.

P.C. Chou, E. Hirsch, and R.D. Ciccarelli, “An Unsteady Taylor Angle Formula for Liner Collapse,” Ballistic Research Laboratory, ARBRL-CR-00461, August 1981.

P.C. Chou, R.D. Ciccarelli, and W.P. Walters, “Jet Formation of an Implosively Loaded Hemispherical Liner,” Ballistic Research Lab., ARBRL-CR-00470, Sept. 1981. AD B060409.

P.C. Chou, E. Hirsch, and W.P. Walters, “The Virtual Origin Approximation of Shaped-Charge Jets,” Proc. 6th Int. Symp. Ballistics, Orlando, FL, 27-29 Oct. 1981.

P.C. Chou, J. Carleone, W.J. Flis, R.D. Ciccarelli, and E. Hirsch, “Improved Formulas for Velocity, Acceleration, and Projection Angle of Explosively Driven Liners,” Proc. 6^th Intl. Symp. Ballistics, Orlando, FL, 27-29 Oct. 1981; also, Propellants, Explosives, Pyrotechnics, Vol. 8, no. 6, pp. 175-183, 1983.

P.C. Chou, R.D. Ciccarelli, and W.P. Walters, “The Formation of Jets from Hemispherical-Liner Warheads,” Proc. 7th Int. Symp. Ballistics, The Hague, Netherlands, 19-21 April 1983.

W.J. Flis and P.C. Chou, “Penetration of Compressible Materials by Shaped-Charge Jets,” Proc. 7th Intl. Symp. Ballistics, The Hague, The Netherlands, April 19-21, 1983.

P.C. Chou, R.D. Ciccarelli, and W.P. Walters, “The Virtual Origin and Tip Particle Drag Coefficient of Shaped-Charge Jets,” Ballistic Research Laboratory, ARBRL-CR-00522, Jan. 1984. AD C033631.

P.C. Chou, RD. Ciccarelli, W.P. Walters, and G.W. Weaver, “Jet Formation Mechanics of Hemispherical Warheads,” Ballistic Research Laboratory, BRL-CR-545, Oct. 1985. AD C038145.

P.C. Chou and W.J. Flis, “Recent Developments in Shaped-Charge Technology,” Propellants, Explosives, Pyrotechnics, v. 11, pp. 99-114, 1986.

E. Hirsch, P.C. Chou, and R.D. Ciccarelli, “General Kinematical Solution to the Motion of an Explosively Driven Liner,” Propellants, Explosives, Pyrotechnics, Vol. 11, pp. 53-64, 1986.

P.C. Chou, W.J. Flis, and C.M. Forsyth, “A Simplified Model of Jet Formation in Hemispherical Shaped Charges,” Proc. 9th Intl. Symp. Ballistics, Shrivenham, UK, 29 April-1 May 1986.

W.J. Flis, “Advanced Algorithms for Computer Simulation of Hypervelocity Impact,” Intl. J. Impact Engng., Vol. 5, pp. 269-276, 1987.

P.C. Chou and J.C. Foster, Jr., “Theory of Penetration by Jets of Non-Linear Velocity and in Layered Targets,” Proc. 10th Int. Symp. Ballistics, San Diego, CA, Oct. 1987.

P.C. Chou, D. Liang, L. Wu, and W. Flis, “Mesh Rezoning for a Dynamic Triangular Finite-Elements Hydrocode,” Finite Elements in Analysis and Design, Vol. 4, pp. 175-192, 1988.

W.P. Walters, W.J. Flis, and P.C. Chou, “A Survey of Shaped-Charge Jet Penetration Models,” Intl. J. Impact Engng., v. 7, n. 3, pp. 307-325, 1988.

W.P. Walters, W.J. Flis, and P.C. Chou, “Shaped-Charge Jet Penetration Models,” Proc. 11th Intl. Symp. Ballistics, Brussels, Belgium, 9-11 May 1989.

P.C. Chou and M.E. Grudza, “The Effect of Liner Anisotropy on Warhead Performance,” Proc. 12th Int. Symp. Ballistics, San Antonio, TX, Oct. 1990.

P.C. Chou, D. Liang, and W.J. Flis, “Shock and Shear Initiation of Explosive,” Shock Waves, V. 1, pp. 285-292, 1991.

P.C. Chou, J. Hashemi, A. Chou, and H.C. Rogers, “Experimentation and Finite-Element Simulation of Adiabatic Shear Bands in Controlled Penetration Impact,” Int. J. Impact Engrg., Vol. 11, no. 3, pp. 305-321, 1991.

D. Liang, P.C. Chou, and J. Hashemi, “Shock and Shear Effects in Explosives due to Impact”, in Shock Compression of Condensed Matter, 1991, ed. Schmidt et al., Elsevier, pp. 345-348, 1992.

P.C. Chou, M. Grudza, Y.F. Liu, and Z. Ritman, “The Effect of Metal Anisotropy on Shaped-Charge Jet Break-up,” Froc. 13th Int. Symp. Ballistics, Stockholm, Sweden, June 1992.

P.C. Chou, W.J. Flis, and K.L. Konopatski, “Adiabatic Shear-Band Formation in Explosives due to Impact,” in Shock-Wave and High-Strain-Rate Phenomena in Materials, M.A. Meyers, L.E. Murr, and K.P. Staudhammer, eds., Marcel Dekker, N.Y., pp. 657-667, 1992.

P.C. Chou, L. Roslund, and D. Liang, “Impact Initiated Annular Retonation Wave in Explosives,” Propellants, Explosives, and Pyrotechnics, Vol. 18, pp. 264-269, 1993.

W.J. Flis, M.G. Crilly, G. Hodges, and C. Vessels, “Penetration of Explosives by Shaped-Charge Jets,” Proc. 14^th Intl. Symp. Ballistics, Quebec, Canada, 1993.

P.C. Chou, D. Liang, and Z. Ritman, “The Viscoplastic Hot Spots in Pore Collapse,” Proc. 10th Symp. (International) on Detonation, Boston, MA, July 1993.

D. Liang, W.J. Flis, and P.C. Chou, “The Calculation of the Constants for the Forest Fire Model,” Proc. 10^th Symposium (International) on Detonation, Boston, MA, July 1993.

W.J. Flis, “A Lagrangian Approach to Modeling the Acceleration of Metal by Explosives,” 17th Southeastern Conf. on Theoretical and Applied Mech., Hot Springs, AK, 10-12 April 1994.

P.C. Chou, Z. Ritman, and D. Liang, “Viscosity and Heat Conduction Effects in Pore Collapse,” Mechanics of Materials, Vol. 17, pp. 295-305, 1994.

W.J. Flis, “Analytical Models of the Projection Angle of Explosively Accelerated Liners,” Proc. 15th Intl. Symp. Ballistics, Jerusalem, Israel, 21-24 May 1995.

W.J. Flis, S. Carmi, and A. Wang, “The Contributions of Dr. Pei Chi Chou to Scientific Research, Especially Ballistics, and to Engineering Education,” Proc. 15^th Intl. Symp. Ballistics, Jerusalem, Israel, 21-24 May 1995.

P.C. Chou, W. Clark, and D. Liang, “Blunt Cylinder Impact Tests for the Determination of Constitutive Equation of Explosives,” Proc. 15th Int. Symp. Ballistics, Jerusalem, Israel, 21-24 May 1995.

W.J. Flis, “Gurney Formulas for Explosive Charges Surrounding Rigid Cores,” Proc. 16th Intl. Symp. Ballistics, San Francisco, CA, 23-26 Sept. 1996.

W.J. Flis, “Fully Automatic Rezoning for a Finite-Element Hydrocode in 2-D and 3-D,” Proc. 17th Intl. Symp. Ballistics, Midrand, South Africa, 23-27 March 1998.

W.J. Flis and M.G. Crilly, “Hypervelocity Jet Penetration of Porous Materials,” 18th Intl. Symp. Ballistics, San Antonio, TX, 23-27 Nov. 1999.

D. Rea, W.J. Flis, R. Foedinger & T.L. Vandiver, “Analytical Model Prediction of Strain Measured by Fiber Optic Sensors Embedded in Composites,” Bridging the Centuries with SAMPE’s Materials and Processes Technology: Long Beach Convention Center, Long Beach, CA, May 21-25, 2000, Vol. 1.

W.J. Flis, “The Effects of Finite Liner Acceleration on Shaped-Charge Jet Formation,” 19th Intl. Symp. Ballistics, Interlaken, Switzerland, May 2001.

W.J. Flis, “Applications of Time-Temperature Superposition to Energetic Materials,” Fifth Composites Durability Workshop, Paris, France, 4-5 April 2002.

W.J. Flis and P.C. Chou, “Mechanical Properties of Energetic Materials,” 20^th Intl. Symp. Ballistics, Orlando, Florida, Sept. 2002.

W.J. Flis and P.C. Chou, “Pressure Hardening in Energetic Materials,” 21^st Intl. Symp. Ballistics, Adelaide, Australia, April 2004.

W.J. Flis, “A Note on the Roecker-Ricchiazzi Model of Penetrator Trajectory Instability,” 22^nd Intl. Symp. Ballistics, Vancouver, British Columbia, Nov. 14-18, 2005.

William Flis and Brian Scott, eds., Proc. 22^nd  Intl. Symp. Ballistics, Vancouver, British Columbia, Nov. 14-18, 2005.

W.J. Flis, D. Jann, and L. Shan, “Supersonic Penetration by Wedges and Cones into Dry Sand,” 24^th Intl. Symp. Ballistics, New Orleans, LA, Sept. 2009. Also, AFRL-RW-EG-TP-2008-7416, June 2008.

W.J. Flis, “A Model of Compressible Jet Penetration,” 26^th Intl. Symp. Ballistics, Miami, FL, Sept. 12-16, 2011.

W.J. Flis, “A Jet Penetration Model Incorporating Effects of Compressibility and Target Strength,” Hypervelocity Impact Symp., Baltimore, MD, 16-20 Sept. 2012.