1. Study of earthquake mechanism using S-wave data;Adams;Bull. Seismol. Soc. Am.,1958
2. Computer determined P-nodal solutions for the larger earthquakes of 1959–1962;Hodgson;Publ. Dominion Obs., Ottawa,1965
3. Generalized focal mechanism;Ingram;Publ. Dominion Obs., Ottawa,1960
4. Computer program of a fault pl̈ane solution;Kasahara;Bull. Seismol. Soc. Am.,1963
5. Analytical calculation of the fault plane problem;Knopoff,1960