Table 7:
Leastsquare fits, [X_{1}/Fe] = A[X_{2}/Fe] + B, where
X_{1} is Ru or Hf and X_{2} can be Y, Nd, Eu or Sm; "cov'' is
the covariance between A and B; "d.o.f.'' is the number of degrees of
freedom. Numbers in parenthesis are errors in last decimals.

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