Dispersion of the Valence Electron Energy Loss in Thin Amorphous Carbon Films deposited by Ion Assisted Evaporation of Graphite Uwe Falke, Anne-Katrin Weber and Jens UllmannMicrosc. Microanal. Microstruct., 6 1 (1995) 113-120DOI: https://doi.org/10.1051/mmm:1995111