Foronda, F.R., Ghannadzadeh, S., Sedlmaier, S.J., Wright, J.D., Burns, K., Cassidy, S.J., Goddard, P.A., Lancaster, T., Clarke, S.J., Blundell, S.J., "Robustness of superconductivity to structural disorder in Sr0.3(NH2)y(NH3)1−yFe2Se2", Physical Review B, 2015