@article{755171, author = {Cedric Powell and R Stein and J Needham and T Driscoll}, title = {Attenuation lengths of low-energy electrons in solids derived from the yield of proton-excited Auger electrons: beryllium and aluminum}, year = {1977}, number = {16}, month = {1977-08-15 00:08:00}, publisher = {Physical Review B (Condensed Matter and Materials Physics)}, language = {en}, }