1. The field of a plane wave near the surface of a conducting body;Fock;J. Phys. USSR,1945
2. Solution of the problem of propagation of electromagnetic waves along the earth’s surface by the method of the parabolic equation;Leontovich;J. Phys. USSR,1946
3. The field of a microwave dipole antenna in the vicinity of the horizon;Pekeris;J. Appl. Phys.,1947
4. Electromagnetic Diffraction and Propagation Problems;Fock,1965
5. The Boundary-layer Method in Diffraction Problems;Babich,1979