Electron–atom bremsstrahlung cross sections in the 20–100 keV energy region: absolute measurements for 6'<OU=' Z'<OU=' 79 and comparison with theoretical databases - Garcia-Alvarez, Juan A.; Fernandez-Varea, Jose M; Vanin, Vito Roberto; Maidana, Nora Lia (Journal of Physics B: Atomic, Molecular and Optical Physics, 2018)