Hales, Anton <br/><br/>
Is the lower mantle homogeneous? 

<br/><br/> <Donation ORSTOM> 
<br/><br/>bibliogr. p. 8-9 
<br/><br/><label>ISSN: </label>02643707 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manteau inf<br/>Onde S