1. Selective Damping in a Galerkin Method for Solving Wave Problems with Variable Grids
2. P. E. Long and F. J. Hicks , Simple Properties of Chapeau Functions and Their Application to the Solution of the Advection Equation , NOAA TDL Office Note 75–8 , Silver Spring , Md. , 1975 .
3. P. E. Long and D. W. Pepper , A Comparison of Six Numerical Advection Schemes for Calculating the Advection of Atmospheric Pollution ,Proc. AMS 3d Symp. Atmospheric Turbulence Diffusion and Air Quality, Raleigh, N.C., Oct. 19–22, 1976 , pp. 181 – 187 .
4. Numerical Methods of Higher-Order Accuracy for Diffusion- Convection Equations