Cook, A. H. <br/><br/>
Physics of the earth and planets 

 - New york  Williams clowes & sons  1973 
<br/><br/><label>Subjects--Index Terms: </label>Elastic waves in the earth  Oscillations and vibrations  Radioactivity and the ages of rocks 
<br/><br/><label>Dewey Class. No.: </label>551  / L3