Influence of nh4-rb substitution on the phase transitions with different kinds of proton disorder in mixed [(NH4)1-XRB]3H(SO4)2 crystals

1. Baranov, A.I.
2. Dolbinina, V.V.
3. Yakushkin, E.D.
4. Yu Vinnichenko, V.
5. Schmidt, V.H.
6. Lanceros-Mendez, S.