Implementation of the CCGM approximation for surface diffraction using Wigner R-matrix theory Back to all publications Publication date 1 January 1983 Reference J.G. Lauderdale and C.W. McCurdy, Implementation of the CCGM approximation for surface diffraction using Wigner R-matrix theory, J. Chem. Phys. 79, 4062-4068 (1983) Request this article