Elena Shypil, Anatoly Pogorily, and Dmitriy Podyalovsky, Oscillations and change of sign in indirect exchange coupling of Fe/Au/Tb trilayer structures, Low Temp. Phys. 30, (2004) [Fiz. Nizk. Temp. 30, 544-550, (2004)] DOI: https://doi.org/10.1063/1.1739161.