Nuclear forward scattering by the 68.7 keV state of 73Ge in CaGeO3 and GeO2R. E. Simon, I. Sergueev, J. Persson, C. A. McCammon, F. Hatert and R. P. HermannEPL, 104 1 (2013) 17006DOI: https://doi.org/10.1209/0295-5075/104/17006