STM Observations at the Atomic Scale of a Tilt Grain Sub-Boundary on Highly Oriented Pyrolytic Graphite C. Daulan, A. Derré, S. Flandrois, J.C. Roux et H. SaadaouiJ. Phys. I France, 5 9 (1995) 1111-1117DOI: https://doi.org/10.1051/jp1:1995184