Improved frequency measurement and isotope shift of the 4d95s2 2D5/2 → 4d106p 2P3/2 transition in silver by laser heterodyne spectroscopyT. Badr, S. Guérandel, M. D. Plimmer, P. Juncar and M. E. HimbertEur. Phys. J. D, 14 1 (2001) 39-42DOI: https://doi.org/10.1007/s100530170232