TY  - RPRT
TI  - Ultrahigh vacuum electron microscope.
AU  - D N Braski
AU  - J R Gibson
AU  - E H Kobisk
PY  - 1968
DO  - 10.1063/1.1683244
UR  - https://pubmed.ncbi.nlm.nih.gov/5698820/
ID  - 5698820
ER  -