Postprint version. Published in Physics Letters A, Volume 30, Issue 5, November 3, 1969, pages 269-270.
NOTE: At the time of publication, the author Richard B. Frankel was not yet affiliated with Cal Poly.
The definitive version is available at https://doi.org/10.1016/0375-9601(69)90986-4.
Mössbauer effect data for dilute, paramagnetic Gd in the diamagnetic, metallic hosts YAl2, YbAl2 and Al are analyzed and yield a local conduction electron polarization contribution to the Gd hyperfine field of +140 kOe.