Frequency measurements in the b 3Π(0u+) - X 1Σg+ system of K2I. Sherstov, S. Liu, Ch. Lisdat, H. Schnatz, S. Jung, H. Knöckel and E. TiemannEur. Phys. J. D, 41 3 (2007) 485-492DOI: https://doi.org/10.1140/epjd/e2007-00013-1