1. Magnitudes of large shallow earthquakes from 1904 to 1980;Abe;Phys. Earth Planet Inter.,1981
2. Determination of magnitudes of large shallow earthquakes, 1898–1917;Abe;Phys. Earth Planet. Inter.,1983
3. Revision of magnitudes of large shallow earthquakes, 1897–1912;Abe;Phys. Earth Planet. Inter.,1983
4. Introduction to Seismology;Båth,1979
5. Catalog of Significant Earthquakes 2150 B.C. to 1991 A.D. Including Quantitative Casualties and Damage;Dunbar,1992