Griffith Dí Casca //top\\ Jun 2026

$$G = \frac{K_I^2}{E'}$$

If you confirm the correct spelling/context, I can provide a direct citation, PDF source (if public domain), or a summary of the paper's thesis. griffith dí casca

where:

A Biographical Study of Griffith ap Cynan (c. 1920s–30s) by (reprinted in various journals) $$G = \frac{K_I^2}{E'}$$ If you confirm the correct