Mössbauer emission measurements on highly dilute 57Fe impurities in the high superconductors La2 -xSrxCuO4 C. Garcin, P. Imbert, P. Bonville et J.A. HodgesJ. Phys. I France, 4 12 (1994) 1829-1842DOI: https://doi.org/10.1051/jp1:1994224