Michelsen, Odd B. <br/><br/>
Analysis and application of rare earth materials 

 - Oslo:  Universitetstorlaget,  1973. 
 - 375p.:  ill.;  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth materials<br/>Applications
<br/><br/><label>LC Class. No.: </label>QD172.R2N35