Philosophical magazine · 1973 · 18 citations · 7 references
Abstract Phase contrast images have been obtained showing the expected contrast reversal and triangular arrangement of uranium atoms in stained molecules of mellitic acid.
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The Theoretical Resolution Limit of the Electron Microscope
Otto Scherzer · Journal of Applied Physics · 1949 · 913 citations
Advances in optical and electron microscopy
R. Barer, V. E. Cosslett, T. Mulvey et al. · 1966 · 296 citations
I. I. Cherni︠a︡ev · Medical Entomology and Zoology · 1966 · 75 citations