Proceedings of International Conference on Lattice Dynamics, Paris

16 .

Cluster dynamical theory for the low-lying ferroelectric modes in KDP-type crystals

S. Havlin, H. Sompolinsky

Proceedings of International Conference on Lattice Dynamics, Paris

1977

17 .

Critical behaviour of electric field gradient in the Perovskite-type ferro-electric PbHFO$_3$

Y. Yeshurun, Y. Schlesinger, S. Havlin

Proceedings of International Conference on Lattice Dynamics, Paris

1977