Gerge, James M. Terra non firma : understanding and preparing for earthquakes / James M. Gere and Haresh C. Shah. - New York : W.H. Freeman, 1984. - x, 203 p. : ill. ; 23 cm. Includes bibliography and index. Open access. ISBN: 0716714965 LCCN: 846007 Subjects--Topical Terms: Earthquakes.