Analytical electron microscopy at the atomic level with parallel electron energy loss spectroscopy Danièle Bouchet, Christian Colliex, Parmjit Flora, Ondrej Krivanek, Claudie Mory and Marcel Tencé Microsc. Microanal. Microstruct., 1 5-6 (1990) 443-454 DOI: 10.1051/mmm:0199000105-6044300