1. Propagation of plane electromagnetic waves past a shoreline;Bazer;J. Res. NBS,1962
2. Radio propagation over a flat earth across a boundary separating two different media;Clemmow;Phil. Trans. Roy. Soc. (London),1953
3. Model experiments on propagation of groundwaves across an abrupt boundary at perpendicular incidence;King;Radio Sci. J. Res. NBS,1965
4. Model experiments on propagation of groundwaves across an abrupt boundary at oblique incidence;King;Radio Sci.,1966