ABSOLUTE, PROMPT GAMMA-RAY SPECTROSCOPY AND THE DETERMINATION OF FUNDAMENTAL CONSTANTS R. D. Deslattes, G. L. Greene, E. G. Kessler et Jr.J. Phys. Colloques, 45 C3 (1984) C3-41-C3-46DOI: https://doi.org/10.1051/jphyscol:1984309