Isotope shift measurements of 11, 9, 7Be+ A. Takamine, M. Wada, K. Okada, T. Nakamura, P. Schury, T. Sonoda, V. Lioubimov, H. Iimura, Y. Yamazaki, Y. Kanai et al. (7 more) Eur. Phys. J. A, 42 3 (2009) 369-373 Published online: 03 October 2009 DOI: 10.1140/epja/i2009-10883-5