TY - JOUR AU - Feigerle, C AU - Pierce, Daniel AU - Seiler, A AU - Celotta, Robert C2 - Applied Physics Letters DA - 1984-01-01 00:01:00 LA - en M1 - 44 PB - Applied Physics Letters PY - 1984 TI - An Intense Source of Monochromatic Electrons: Photoemission from GaAs ER -