Efimovich, E I <br/><br/>
[Tungsten aperture and condenser diaphragms in electron microscopy].  [electronic resource] 

 -  Laboratornoe delo  1965 
 - 511-2 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0023-6748 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microscopy, Electron--instrumentation<br/>Tungsten