https://research.ibm.com/publications/opening-of-the-epr-bottleneck-in-amorphous-gdxy033-xal067
Opening of the EPR bottleneck in amorphous GdxY0.33-xAl0.67 for Physical Review B - IBM Research
Opening of the EPR bottleneck in amorphous GdxY0.33-xAl0.67 for Physical Review B by A.P. Malozemoff et al.