Physics of the earth :  the figure of the earth. 

 - Washington :  The National Academy of Sciences,  1931. 
 - 286 p. :  il. ;  25 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología<br/>Geofísica
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>550.311