Atlas of seismic activity 1909 to 1968 / S. Crampin ... (et al.) - London : H. M. S. O., 1976 - 29p. : col. maps; 31cm. - Seismological bulletin no.5 . Bibliography: p.xv ISBN: 0118807560 LCCN: 79-318260 Subjects--Topical Terms: Seismology--MapsEarthquakes--Maps