1. The characteristic numbers of semidiurnal earth tidal components for various earth models;Alsop;Ann. Geophys.,1964
2. Oscillations of the earth;Alterman;Proc. Roy. Soc. London, A,1959
3. Propagation of Rayleigh waves in the earth;Alterman;Geophys. J.,1961
4. Gravity effect of earth tides;Baars;European Geophys. Prospecting,1953
5. Seismic waves and earth structure in the Canadian shield;Brune;Bull. Seismol. Soc. Am.,1963