Walker, G. W. <br/><br/>
Modern seismology 
G. W. Walker 
 - London  Longmans, Green  1913 
 - xii, 88p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Earthquakes<br/>Seismology
<br/><br/><label>Universal Decimal Class. No.: </label>550.34  / WAL