Impact broadening and shift rates for the 6p2 3PJ' → 7s 3PJo transitions of lead induced by collisions with argon and heliumJ. Franzke, H. D. Wizemann, K. Niemax and C. VadlaEur. Phys. J. D, 8 1 (2000) 23-28DOI: https://doi.org/10.1007/s100530050005