Absolute frequency and isotope shift measurements of the cooling transition in singly ionized indiumY. H. Wang, R. Dumke, J. Zhang, T. Liu, A. Stejskal, Y. N. Zhao, Z. H. Lu, L. J. Wang, Th. Becker and H. WaltherEur. Phys. J. D, 44 2 (2007) 307-311DOI: https://doi.org/10.1140/epjd/e2007-00171-0