These images is from [https://gna.org/bugs/index.php?22024 bug 22024. Minimisation space for CR72 is catastrophic. The chi2 surface over dw and pA is bounded.]
[[File:Bug 22024 R2eff.png|thumb|center|upright=2|https://gna.org/bugs/index.php?22024Bug 22024: Minimisation space for CR72 is catastrophic. The chi2 surface over dw and pA is bounded.]]
[[File:Bug 22024 Dw kex.png|thumb|upright=2|https://gna.org/bugs/index.php?22024Bug 22024: Minimisation space for CR72 is catastrophic. The chi2 surface over dw and pA is bounded.]]