Citation: Millburn, J.E.; Green, M.A.; Neumann, D.A.; Rosseinsky, M.J. (1999). Evolution of the structure of the K2 Ni F4 phases La2-x Srx Ni O4+d with oxidation state: octahedral distortion and phase separation (0.2 < x < 1.0). Journal of Solid State Chemistry, 145, pp. 401-420.