Gutenberg, Beno,  1889- <br/><br/>
Seismicity of the earth / 
by Beno Gutenberg and C.F. Richter 
 - Boulder, Colorado :  The Geological Society of America,  1941 
 - vii, 131 p. :   tables, maps. ;   25 cm. 
 - Special papers (Geological Society of America) no.34. .
<br/><br/>'Works to which reference is made': p. 118-125. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seismology