Toennies, J. P. Emeritus Group Molecular Interactions, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;
Farnik, M., & Toennies, J. P. (2003). The influence of embedded atoms, molecules, and clusters on the lifetimes of electron bubbles in large ⁴He droplets. Journal of Chemical Physics, 118(9), 4176-4182.