Study on the mixed crystals (NH4)2(BeF4)1-x(SO4) x

1. Gonzalez-Silgo, C.
2. Ruiz-Pérez, C.
3. Solans, X.
4. Martínez-Sarrión, M.L.
5. Mestres, L.
6. Rodriguez, A.
7. Bocanegra, E.