M1-E2 interference in the Zeeman effect of the 461.5 nm line of Bi I S. Werbowy, J. Kwela, R. Drozdowski and J. Heldt Eur. Phys. J. D, 39 1 (2006) 5-12 Published online: 28 March 2006 DOI: 10.1140/epjd/e2006-00066-6