Gutenberg, Beno <br/><br/>
Seismicity of the Earth 
Beno Gutenberg and C F Richter  
 - New York  Geophysical Society of America  1941 
 - vi, 131p. 
 - Geophysical society of america special papers; no.34 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Earth<br/>Geophysics<br/>Seismology
<br/><br/><label>Universal Decimal Class. No.: </label>550.34  / GUT