Pressure dependence of the Mg 3s4s3S1 → 3s3p3P0,1,2 transition in superfluid 4HeI. Baumann, A. Breidenassel, C. Zühlke, A. Kasimov, G. zu Putlitz, I. Reinhard and K. JungmannEur. Phys. J. D, 12 1 (2000) 117-122DOI: https://doi.org/10.1007/s100530070046