TY - JOUR AU - J. Baur AU - John Cooper BT - Physics Letters A DO - 10.1016/0375-9601(75)90810-5 N1 - JILA Pub. 1338 PY - 1975 EP - 457\textendash459 T2 - Physics Letters A TI - A Measurement at Low Temperature of the Stark Broadened 3968 Angstrom Line of Ionized Calcium VL - 54 ER -