Beryllium copper. 

 - London :  Copper development association,  1958. 
 - 61 p. 
 - Publication, no. 54 .
 - Publication, no. 54 .
<br/><br/> Bibliografia: p. 54-58 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBRE -METALURGIA