Bullen, K.E. <br/><br/>
An Introduction to the Theory of Seismology 

 - Cambridge  At the Univ. Press  1965 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Introduction to the Theory of Seismology
<br/><br/><label>Dewey Class. No.: </label>551.22  / B95I