by Coyle Lee, C., Halbert, T.R., Pan, W.-H., Harmer, M.A., Wei, L., Leonowicz, M.E., Dim, C.O.B., Miller, K.F., Bruce, A.E., McKenna, S., Corbin, J.L., Wherland, S., Stiefel, E.I.
Published in Inorganica Chimica Acta (29.02.1996)