TY - JOUR AU - Jabez McClelland C2 - Physical Review A (Atomic, Molecular and Optical Physics) DA - 2006-06-20 LA - en M1 - 73 PB - Physical Review A (Atomic, Molecular and Optical Physics) PY - 2006 TI - Natural Linewidth of the 401-nm Laser-Cooling Transition in Er I ER -