TY  - GEN
AU  - Efimovich,E I
TI  - [Tungsten aperture and condenser diaphragms in electron microscopy]
SN  - 0023-6748
PY  - 1966///1016
KW  - Microscopy, Electron
KW  - instrumentation
KW  - Tungsten
N1  - Publication Type: Journal Article
ER  -