Thermal, optical and spectroscopic investigation in ferroelastic incommensurate (N(CH3)4)2CuCl4 crystal

1. Gomez-Cuevas, A.
2. Tello, M.J.
3. Fernandez, J.
4. Lopez-Echarri, A.
5. Herreros, J.
6. Couzi, M.