TY - JOUR AU - Unguris, John AU - Pierce, Daniel AU - Galejs, A AU - Celotta, Robert C2 - Physical Review Letters DA - 1982-07-05 00:07:00 LA - en M1 - 49 PB - Physical Review Letters PY - 1982 TI - Spin and Energy Analyzed Secondary Electron Emission from a Ferromagnet ER -