Neumann, Frank, <br/><br/>
Principles underlying the interpretation of seismograms. 

 - 41 páginas 
 - U.s. coast and geodetic survey, special publ ;  254 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sismometría
<br/><br/><label>LC Class. No.: </label>QE541  / N47