Secondary spectra of < gamma >-rays - origin of the lower limit of the continuous spectrum and the variation of relative intensity of the rays.
Les spectres secondaires de rayons gamma : sur l'origine du fond continu et la variation d'intensité relative des raies
J. Phys. Radium, 6 10 (1925) 334-336
DOI: https://doi.org/10.1051/jphysrad:01925006010033401