Effect of deuteration on order-disorder in hydrogen disulfate compounds, M3H(SO4)2 (M = Na, K, Rb, Cs, NH4)

I. Petrov, V. Petrushevski, A.W. Al-Kassab, J. Liesegang, B.D. James, Effect of deuteration on order-disorder in hydrogen disulfate compounds, M3H(SO4)2 (M = Na, K, Rb, Cs, NH4), Spectroscopy Letters 21, 167–182 (1988).