Enhanced contrast in electron microscopy of unstained biological material

This publication has 30 references indexed in Scilit:

• Phase contrast, a new method for the microscopic observation of transparent objects
  Published by Elsevier ,2005
• Fine Lattice Fringes Resolved by the Bright- and Dark-Field Axial Illuminations
  Japanese Journal of Applied Physics, 1967
• The plural scattering of 20 kev electrons
  British Journal of Applied Physics, 1964
• The Penetration of Electrons into Luminescent Materials
  Proceedings of the Physical Society, 1963
• Sine-Wave Response of the Visual System II Sine-Wave and Square-Wave Contrast Sensitivity*†
  Journal of the Optical Society of America, 1962
• Die Reichweite von Elektronen und Positronen kleiner Energie in Kupfer, Silber und Gold
  The European Physical Journal A, 1959
• Variation of Contrast in Electron Microscope Images with size of Objective Aperture
  Proceedings of the Physical Society. Section B, 1956
• Phase contrast, a new method for the microscopic observation of transparent objects part II
  Physica, 1942
• Über ein Universal-Elektronenmikroskop für Hellfeld-, Dunkelfeld- und Stereobild-Betrieb
  Zeitschrift für Physik, 1940
• The photometric sensibility of the eye and the precision of photometric observations
  Journal of the Optical Society of America, 1931