Sumner, John S. (John Stewart), 1921- <br/><br/>
Geophysics, geologic structures, and tectonics 
by John S. Summer 
 - Dubuque, Iowa  Wm. C. Brown  1969 
 - ix, 115 p. : ill.,  maps ; 23 cm. 
<br/><br/>Bibliography: p. 109-110. 
<br/><br/><label>LCCN: </label>69-011366 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geophysics<br/>Geology, Structural