Cha, Chien2016-03-092016-03-091923-06https://hdl.handle.net/11299/178118University of Minnesota Ph.D. dissertation. June 1923. Major: Physics. Advisor: Professor W. F. G. Swann. 1 computer file (PDF); 17 pages.enPhysicsOn the Incident and Emergent Velocities of Photo-Electrons Emitted from Thin Platinum FilmsThesis or Dissertation