Siemens, Richard E. <br/><br/>
Effect of microstructure on superconductivity in the columbium-hafnium system 

 - Washington  Bureau of Mines  1969 
 - ii, 29 p.   il  26 cm 
 - RI  7258 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>hafnium<br/>alloys<br/>niobium
<br/><br/><label>Subjects--Index Terms: </label>niobium alloys 
<br/><br/><label>Universal Decimal Class. No.: </label>669