%0 Journal Article %T Photo-ion Kinetic Energy Analysis with a Photoelectron Spectrometer %A FROST, D. C. %A MCDOWELL, C. A. %A VROOM, D. A. %J Nature %V 218 %N 5145 %P 943-944 %@ 0028-0836 %D 1968-06-08 %I Nature Publishing Group UK %~ DeepDyve