Frequency measurements in the b 3Π(0u+) - X 1Σg+ system of K2 I. Sherstov, S. Liu, Ch. Lisdat, H. Schnatz, S. Jung, H. Knöckel and E. Tiemann Eur. Phys. J. D, 41 3 (2007) 485-492 Published online: 19 January 2007 DOI: 10.1140/epjd/e2007-00013-1