NON-EQUILIBRIUM PHONONS IN OPTICALLY PUMPED YAG-Cr3+ R. J.G. Goossens, E. E. Koldenhof, J. I. Dijkhuis et H. W. de WijnJ. Phys. Colloques, 46 C7 (1985) C7-259-C7-262DOI: https://doi.org/10.1051/jphyscol:1985747
