TY - JOUR AU - C Feigerle AU - Daniel Pierce AU - A Seiler AU - Robert Celotta 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 -