TY - JOUR AU - T. Baer AU - F. Kowalski AU - John Hall BT - Applied Optics DA - 1980-01 DO - 10.1364/AO.19.003173 PY - 1980 EP - 3173 T2 - Applied Optics TI - Frequency stabilization of a 0633-μ He-Ne longitudinal Zeeman laser VL - 19 SN - 0003-6935 ER -