TY - JOUR AU - L Pendrill AU - K. Niemax BT - Journal of Physics B: Atomic and Molecular Physics DA - Feb-03-1983 DO - 10.1088/0022-3700/15/5/003 PY - 1982 SP - L147 EP - L151 T2 - Journal of Physics B: Atomic and Molecular Physics TI - Isotope shifts of energy levels in 40K and 39K UR - http://stacks.iop.org/0022-3700/15/i=5/a=003?key=crossref.e0c844e5fb589ef921dd3bc13b9933ef VL - 15 SN - 0022-3700 ER -