Parity non-conservation observed in nuclear gamma-decay of (180m) Hf by Zakoucky, D, Stone, JR, Goldring, G, Stone, N, Severijns, N, Hass, M, Giles, T, Koester, U, Kraev, I, Lakshmi, S, Lindroos, M, Wauters, F, Collaboration, NICOLE, Collaboration, ISOLDE