TY - JOUR AU - Eric Cornell AU - Kevin Boyce AU - Deborah Fygenson AU - D. Pritchard BT - Physical Review A DA - 1992-03 DO - 10.1103/PhysRevA.45.3049 PY - 1992 SP - 3049 EP - 3059 T2 - Physical Review A TI - Two ions in a Penning trap: Implications for precision mass spectroscopy UR - http://link.aps.org/doi/10.1103/PhysRevA.45.3049 VL - 45 SN - 1050-2947 ER -