Doppler limited laser spectroscopy on hafnium lines. Part II: Hyperfine structure of odd-parity levelsS. Bouazza, H. O. Behrens, M. Fienhold, J. Dembczynski and G. H. GuthöhrleinEur. Phys. J. D, 6 3 (1999) 311-317DOI: https://doi.org/10.1007/s100530050314