99. R.S.C. Rogers and R.P. Gardner, “A Monte Carlo Method for Simulating Dispersion and Transport through Horizontal Rotating Cylinders”, Powder Technology, 23, pp. 159l67 (1979). 
140. H.K. Choi, B.W. Wehring, K. Verghese, and R.P. Gardner, “Monte Carlo Simulation of Neutron Response for 3He Spectrometers Transactions of the American Nuclear Society, 52, pp. 639640 (1986). 
144. R.P. Gardner, H.K. Choi, M. Mickael, A.M. Yacout, Y. Jin, and K. Verghese, “Algorithms for Forcing Scattered Radiation to Spherical, Planar Circular, and Right Circular Cylindrical Detectors for Monte Carlo Simulation”, Nuclear Science and Engineering, 95, 245256 (1987).

151. R.P. Gardner, M. Mickael, and K. Verghese, “A New Direction Biasing Approach for Monte Carlo Simulation”, Nuclear Science and Engineering, 98, 5163 (1988). 
155. M. Mickael, R.P. Gardner, and K. Verghese, “An Improved Method for Estimating Particle Scattering Probabilities to Finite Detectors for Monte Carlo Simulation”, Nuclear Science and Engineering, 99, 251266 (1988).

161. C.M. Shyu, T. He, K. Verghese, and R.P. Gardner,“Monte Carlo  Library LeastSquares Principle for Nuclear Analyzers”, Transactions of the American Nuclear Society, Suppl. 3, Vol. 56, 4446 (1988).

163. R.P. Gardner, T.H. Prettyman, M. Mickael, and K. Verghese, “Some Geometric Modelling and Tracking Codes for Monte Carlo Particle Transport Including Direction Biasing Techniques”, Transactions of the American Nuclear Society, Vol. 57, 115116 (1988).

171. Kuruvilla Verghese and Robin P. Gardner, “A Generalized Approach to Designing SpecificPurpose Monte Carlo Programs: A Powerful Simulation Tool for Radiation Applications”, Nuclear Instruments and Methods in Physics Research A299, pp. 19 (1990).

173. T.H. Prettyman, R.P. Gardner, and K. Verghese, “MCPT: A Monte Carlo Code for Simulation of Photon Transport in Tomographic Scanners”, Nuclear Instruments and Methods in Physics Research A299, pp. 516523 (1990).

175. R.P. Gardner, M. Mickael, M. Oraby, and K. Verghese, “A Monte Carlo Direction Biasing Approach in the Laboratory System for Isotropic Neutron CenterofMass Scattering Including Hydrogen”, Nuclear Science and Engineering, 108, No. 3, 240246 (1991).

201. Robin P. Gardner and Kuruvilla Verghese, “Use of Specific Purpose Monte Carlo Codes in Radiation Application Problems Involving Finite Detectors”, in Proceedings of a Meeting in Saclay, 2729 April 1993 entitled ADVANCED MONTE CARLO COMPUTER PROGRAMS FOR RADIATION TRANSPORT, Organised by the OECD. Nuclear Energy Agency, OECD Documents, pp. 433450 (1995).

208. Robin P. Gardner, Pingjun Guo, and Qi Ao, “Computational Methods for Industrial Radiation Measurement Applications”, Transactions of the American Nuclear Society, Volume 75, pp. 138139, TANSAO 75 1490, 1996 Winter Meeting, Washington, DC, November 1014, 1996.

209. Lianyan Liu and Robin P. Gardner, “A GeometryIndependent FineMeshBased Monte Carlo Importance Generator”, Nuclear Science and Engineering, 125, 188196 (1997). 
211. R.P. Gardner, P. Guo, and A. Sood, “Obtaining Practical GammaRay PulseHeight Library Spectra”, Transactions of the American Nuclear Society, Vol. 76, pp. 121122 (1997).

214. Lianyan Liu and Robin P. Gardner, “A MeshBased Weight Window Approach for Monte Carlo Simulation”, Transactions of the American Nuclear Society, Volume 77, pp. 169170, TANSAO 77 1560, 1997 Winter Meeting, Albuquerque, NM, November 1620, 1997.

241. R.P. Gardner and L. Liu, “Monte Carlo Simulation for IRRMA”, Applied Radiation and Isotopes, 53, 837855, 2000. 
261. W.A. Metwally, R.P. Gardner, and Avneet Sood, “Gaussian Broadening of MCNP Pulse Height Spectra”, Transactions of the American Nuclear Society, Volume 91, pp. 789790, 2004.

290. J.A. Kusilek, J.K. Hartwell, M.E. McIlwain, and R.P. Gardner, “Design and Preliminary Monte Carlo Calculations of an Active ComptonSuppressed LaBr3(Ce) Detector System for TRU Assay in RemoteHandledWastes”, Nuclear Instruments and Methods A, 580, 226229, 2007. 
291. Robin P. Gardner, “Modification of the Monte Carlo  Library LeastSquares (MCLLS) Inverse Analysis Approach for Cargo Radiation Monitoring Applications”, Transactions of the American Nuclear Society, Vol. 98, pp.581582, 2008. 