Isotope shifts and hyperfine structure in calcium 4snp 1P1 and 4snf F Rydberg states P. Müller, B. A. Bushaw, W. Nörtershäuser and K. Wendt Eur. Phys. J. D, 12 1 (2000) 33-44 Published online: 15 October 2000 DOI: 10.1007/s100530070040